Academic literature on the topic 'Darters (Fishes)'

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Journal articles on the topic "Darters (Fishes)"

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Buckwalter, Joseph, Paul L. Angermeier, Jane Argentina, Skylar Wolf, Stephen Floyd, and Eric M. Hallerman. "Drift of Larval Darters (Family Percidae) in the Upper Roanoke River Basin, USA, Characterized Using Phenotypic and DNA Barcoding Markers." Fishes 4, no. 4 (December 8, 2019): 59. http://dx.doi.org/10.3390/fishes4040059.

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Larval fish ecology is poorly characterized because sampling is difficult and tools for phenotypically identifying larvae are poorly developed. While DNA barcoding can help address the latter problem, ‘universal’ primers do not work for all fish species. The Roanoke River in the southeastern United States includes seven darters (Family Percide: Tribe Etheostomatini). We made 393 collections of larval fishes in 2015 and 2018, examined darter larvae for morphometric and pigmentation traits, developed PCR primers amplifying darter DNA, and evaluated three gear types for collecting larval darters. Amplified DNA sequences for 1351 larvae matched archived mitochondrial cytochrome oxidase I sequences for darters occurring in the ecosystem. Larval darters were classified to genus with 100% accuracy using the ratio of pectoral fin length to body length; however, identification to species using morphometrics alone was subject to a misclassification rate of 11.8%, which can be resolved by considering pigmentation patterns. Gear-types varied considerably in their capture efficacy for larval darters; most Percina larvae were collected in drift nets. Larval Percina species appeared in the drift before Etheostoma species in both study years. Application of molecular genetic and phenotypic tools to larval fish identification can advance understanding of larval darter ecology.
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McPherson, Taryn D., Reehan S. Mirza, and Greg G. Pyle. "Responses of wild fishes to alarm chemicals in pristine and metal-contaminated lakes." Canadian Journal of Zoology 82, no. 5 (May 1, 2004): 694–700. http://dx.doi.org/10.1139/z04-034.

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Responses of wild fish populations to alarm chemicals were examined in clean and metal-contaminated lakes in northern Ontario. Approximately 20 groups of three minnow traps were placed randomly in the littoral zone of each study lake. Within each minnow trap group, one trap was treated with a chemical alarm stimulus (Iowa darter (Etheostoma exile (Girard, 1859)) skin extract, prey-guild species, alarm cue present), one with swordtail (Xiphophorus helleri Heckel, 1848) skin extract (phylogenetically distant and allopatric from darters, alarm cue present but not recognized by darters), and one with distilled water (neutral control). Data included the identification and enumeration of fish captured in each trap after a 10-h set. Darters avoided areas labelled with the alarm stimulus relative to controls only in the clean lake; in contaminated lakes, darters did not avoid areas labelled with the alarm stimulus relative to controls. No effects of contamination on chemosensory function were observed for heterospecific non-darter prey-guild or predator-guild species. These findings suggest that chemical alarm systems do exist in nature, and that these systems appear to be affected by the presence of metals. Such pollution-related effects could lead to increased susceptibility of some fish species to predation and to population declines.
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MacGuigan, Daniel J., and Thomas J. Near. "Phylogenomic Signatures of Ancient Introgression in a Rogue Lineage of Darters (Teleostei: Percidae)." Systematic Biology 68, no. 2 (December 3, 2018): 329–46. http://dx.doi.org/10.1093/sysbio/syy074.

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Abstract Evolutionary history is typically portrayed as a branching phylogenetic tree, yet not all evolution proceeds in a purely bifurcating manner. Introgressive hybridization is one process that results in reticulate evolution. Most known examples of genome-wide introgression occur among closely related species with relatively recent common ancestry; however, we present evidence for ancient hybridization and genome-wide introgression between major stem lineages of darters, a species-rich clade of North American freshwater fishes. Previous attempts to resolve the relationships of darters have been confounded by the uncertain phylogenetic resolution of the lineage Allohistium. In this study, we investigate the phylogenomics of darters, specifically the relationships of Allohistium, through analyses of approximately 30,000 RADseq loci sampled from 112 species. Our phylogenetic inferences are based on traditional approaches in combination with strategies that accommodate reticulate evolution. These analyses result in a novel phylogenetic hypothesis for darters that includes ancient introgression between Allohistium and other two major darter lineages, minimally occurring 20 million years ago. Darters offer a compelling case for the necessity of incorporating phylogenetic networks in reconstructing the evolutionary history of diversification in species-rich lineages. We anticipate that the growing wealth of genomic data for clades of non-model organisms will reveal more examples of ancient hybridization, eventually requiring a re-evaluation of how evolutionary history is visualized and utilized in macroevolutonary investigations.
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Sterling, Ken A., and Melvin L. Warren, Jr. "Description of a new species of cryptic snubnose darter (Percidae: Etheostomatinae) endemic to north-central Mississippi." PeerJ 8 (August 31, 2020): e9807. http://dx.doi.org/10.7717/peerj.9807.

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Many subclades within the large North American freshwater fish genus Etheostoma (Percidae) show brilliant male nuptial coloration during the spring spawning season. Traditionally, perceived differences in color were often used to diagnose closely related species. More recently, perceived differences in male nuptial color have prompted further investigation of potential biodiversity using genetic tools. However, cryptic diversity among Etheostoma darters renders male nuptial color as unreliable for detecting and describing diversity, which is foundational for research and conservation efforts of this group of stream fishes. Etheostoma raneyi (Yazoo Darter) is an imperiled, range-limited fish endemic to north-central Mississippi. Existing genetic evidence indicates cryptic diversity between disjunctly distributed E. raneyi from the Little Tallahatchie and Yocona river watersheds despite no obvious differences in male color between the two drainages. Analysis of morphological truss and geometric measurements and meristic and male color characters yielded quantitative differences in E. raneyi from the two drainages consistent with genetic evidence. Morphological divergence is best explained by differences in stream gradients between the two drainages. Etheostoma faulkneri, the Yoknapatawpha Darter, is described as a species under the unified species concept. The discovery of cryptic diversity within E. raneyi would likely not have occurred without genetic tools. Cryptic diversity among Etheostoma darters and other stream fishes is common, but an overreliance on traditional methods of species delimitation (e.g., identification of a readily observable physical character to diagnose a species) impedes a full accounting of the diversity in freshwater fishes in the southeastern United States.
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WILLIAMS, JAMES D., DAVID A. NEELY, STEPHEN J. WALSH, and NOEL M. BURKHEAD. "Three new percid fishes (Percidae: Percina) from the Mobile Basin drainage of Alabama, Georgia, and Tennessee." Zootaxa 1549, no. 1 (August 15, 2007): 1–28. http://dx.doi.org/10.11646/zootaxa.1549.1.1.

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Three new species of Percina are described from upland drainages of the Mobile Basin. Two of the three species are narrowly distributed: P. kusha, the Bridled Darter, is currently known only from the Conasauga River drainage in Georgia and Tennessee and Etowah River drainage in Georgia, both tributaries of the Coosa River, and P. sipsi, the Bankhead Darter, which is restricted to tributaries of Sipsey Fork of the Black Warrior River in northwestern Alabama. The third species, P. smithvanizi, the Muscadine Darter, occurs above the Fall Line in the Tallapoosa River drainage in eastern Alabama and western Georgia. In a molecular analysis using mitochondrial cytochrome b sequence data, P. kusha and P. smithvanizi were recovered as sister species, while Percina sipsi was recovered in a clade consisting of P. aurolineata (P. sciera + P. sipsi). Two of the three species, P. kusha and P. sipsi, are considered to be imperiled species and are in need of conservation actions to prevent their extinction. Description of these three darters increases the number of described species of Percina to 44. Sixteen are known to occur in the Mobile Basin, including nine that are endemic.
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Gumm, Jennifer M., and Tamra C. Mendelson. "The evolution of multi-component visual signals in darters (genus Etheostoma)." Current Zoology 57, no. 2 (April 1, 2011): 125–39. http://dx.doi.org/10.1093/czoolo/51.2.125.

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Abstract As complex traits evolve, each component of the trait may be under different selection pressures and could respond independently to distinct evolutionary forces. We used comparative methods to examine patterns of evolution in multiple components of a complex courtship signal in darters, specifically addressing the question of how nuptial coloration evolves across different areas of the body. Using spectral reflectance, we defined 4 broad color classes present on the body and fins of 17 species of freshwater fishes (genus Etheostoma) and quantified differences in hue within each color class. Ancestral state reconstruction suggests that most color traits were expressed in the most recent common ancestor of sampled species and that differences among species are mostly due to losses in coloration. The evolutionary lability of coloration varied across body regions; we found significant phylogenetic signal for orange color on the body but not for most colors on fins. Finally, patterns of color evolution and hue of the colors were correlated among the two dorsal fins and between the anterior dorsal and anal fins, but not between any of the fins and the body. The observed patterns support the hypothesis that different components of complex signals may be subject to distinct evolutionary pressures, and suggests that the combination of behavioral displays and morphology in communication may have a strong influence on patterns of signal evolution.
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Gibson, A. K., and A. Mathis. "Opercular beat rate for rainbow darters Etheostoma caeruleum exposed to chemical stimuli from conspecific and heterospecific fishes." Journal of Fish Biology 69, no. 1 (July 2006): 224–32. http://dx.doi.org/10.1111/j.1095-8649.2006.01102.x.

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Sabaj, Mark H., Kevin S. Cummings, and Lawrence M. Page. "Annotated Catalog of Type Specimens in the Illinois Natural History Survey Fish Collection." Illinois Natural History Survey Bulletin 35, no. 1-5 (October 31, 1997): 253–300. http://dx.doi.org/10.21900/j.inhs.v35.130.

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The Fish Collection of the Illinois Natural History Survey (INHS) dates back to the late 1800s and the extensive surveys of Illinois fishes led by Dr. Stephen A. Forbes, director of the Survey's predecessor, the Illinois State Laboratory of Natural History (ISLNH). From 1876 to 1903 Forbes, assisted by his esteemed colleague Robert E. Richardson and numerous field and laboratory personnel, collected and preserved over 200,000 specimens from more than 450 localities distributed in 93 of the 102 counties of Illinois. During this time, the ISLNH Collection served as the basis for several catalogs of Illinois fishes (Nelson 1876; Jordan 1878a; Forbes 1884; Large 1903), and provided material for the description of at least 25 species. This work culminated in the classic Fishes of Illinois written by Forbes and Richardson, published by the Survey in 1909 and reprinted in 1920 (although no publication date is given for the original volume, H.C. Oesterling, former INHS editor, lists the date as 1909 in Howard 1932:46). Accompanied by a separate atlas of distribution maps of 98 species, this comprehensive treatment of the state's ichthyofauna still is recognized as one of the finest publications on fishes. The INHS Fish Collection was expanded by Dr. Philip W. Smith, who worked as a systematic biologist at the Survey from 1942 until his retirement in 1979 (Burr and Page 1987). Over a period of 1 1 years from 1962 to 1972, Smith assembled a large collection of fishes from Illinois and neighboring states. The ichthyological surveys conducted by Smith, his students, and INHS staff led to the publication of a second Fishes of Illinois (Smith 1979). Smith's monograph provided identification keys, information on the ecology and taxonomy of Illinois fishes, and detailed distribution maps that documented changes in the state's fish fauna that had occurred since the survey of Forbes and Richardson. The size and geographic scope of the INHS collection have been considerably expanded in the past three decades; the collection now contains about 7 1 1 ,000 cataloged specimens (over 7 1 ,000 lots) of more than 1,800 species. A recent literature survey identified over 250 publications citing the use of INHS specimens over the past 40 years. Included are two publications that have greatly advanced both the professional and popular understanding of North American fishes: the Handbook of Darters (Page 1983) and A Field Guide to Freshwater Fishes of North America North of Mexico (Page and Burr 1991).
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Jude, David J., Robert H. Reider, and Gerald R. Smith. "Establishment of Gobiidae in the Great Lakes Basin." Canadian Journal of Fisheries and Aquatic Sciences 49, no. 2 (February 1, 1992): 416–21. http://dx.doi.org/10.1139/f92-047.

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A tubenose goby (Proterorhinus marmoratus), a European endangered species native to the Black and Caspian seas, was recovered on 11 April 1990 from the travelling screens of the Belle River Power Plant located on the St. Clair River, Michigan. Subsequently, anglers caught three round gobies (Neogobius melanostomus) in the St. Clair River near Sarnia, Ontario. Thirty-one tubenose gobies and 11 round gobies were impinged or trawled at or near the Power Plant in the fall and winter of 1990–91. Nine round gobies (29–61 mm total length) are believed to be young-of-the-year. These species were probably transported to the Great Lakes in ballast water, may have successfully colonized the St. Clair River, and will probably spread throughout the Great Lakes. They are expected to impact directly other benthic fishes, such as sculpins (Cottus spp.), darters (Etheostoma spp.), and logperch (Percina caprodes), and in turn act as prey for walleye (Stizostedion vitreum).
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Strange, Rex Meade. "Mitochondrial DNA Variation in Johnny Darters (Pisces: Percidae) from Eastern Kentucky Supports Stream Capture for the Origin of Upper Cumberland River Fishes." American Midland Naturalist 140, no. 1 (July 1998): 96–102. http://dx.doi.org/10.1674/0003-0031(1998)140[0096:mdvijd]2.0.co;2.

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Dissertations / Theses on the topic "Darters (Fishes)"

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Osier, Elizabeth A. "Distribution and habitat use of the crystal darter (Crystallaria asprella) and spotted darter (Etheostoma maculatum) in the Elk River, West Virginia." Morgantown, W. Va. : [West Virginia University Libraries], 2005. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3921.

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Thesis (M.S.)--West Virginia University, 2005.
Title from document title page. Document formatted into pages; contains v, 75 p. : ill., maps. Includes abstract. Includes bibliographical references.
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McGeehan, Lawrence T. "Multivariate and Univariate Analyses of the Geographic Variation within Etheostoma Flabellare (Pisces: Percidae) of Eastern North America." Connect to resource, 1985. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1218739588.

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Hartup, Wendi Winter. "Assessing persistence of two rare darter species using population viability analysis models." Auburn, Ala., 2005. http://repo.lib.auburn.edu/2005%20Summer/master's/HARTUP_WENDI_17.pdf.

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Burns, Angela D. "Comparison of two electrofishing gears (backpack and parallel wires) and abundances of fishes of the upper Greenbrier River drainage." Morgantown, W. Va. : [West Virginia University Libraries], 2007. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=5165.

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Thesis (M.S.)--West Virginia University, 2007.
Title from document title page. Document formatted into pages; contains vii, 65 p. : ill., maps (part col.). Includes abstract. Includes bibliographical references.
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Gibbs, W. Keith. "Current status of the threatened spotfin chub (Erimonax monachus) and the endangered duskytail darter (Etheostoma percnurum) in Abrams Creek, Great Smoky Mountains National Park a thesis presented to the faculty of the Graduate School, Tennessee Technological University /." Click to access online, 2009. http://proquest.umi.com/pqdweb?index=10&did=1760001841&SrchMode=1&sid=1&Fmt=6&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1250599368&clientId=28564.

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Todd, C. Stan (Charles Stan). "Food Habits, Dietary Overlap and Electivity of Non-Game Insectivorous Fishes in an Ozark Foothills Stream." Thesis, North Texas State University, 1985. https://digital.library.unt.edu/ark:/67531/metadc503873/.

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Etheostoma spectabile, E. punctulatum, and Cottus carolinae were sampled Mar., 1983, - Feb., 1984, in Flint Creek, Oklahoma. Immature E. spectabile ate primarily microcrustaceans, while mature fishes relied more on mayflies and amphipods. Juvenile E. punctulatum fed upon mayflies, amphipods, and Asellus. Mature E. punctulatum ate primarily mayflies, and other relatively larger prey. Cottus carolinae consumed chironomids almost exclusively in Jan. - Feb., 1984, while mayflies were predominant the remainder of the year. No significant habitat partitioning between the two darters, and seasonal habitat segregation between C. carolinae and the two darters was found. Dietary overlap between the darters was significantly correlated (p<0.0005) to differences in x prey sizes.
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Mattingly, Hayden Thomas. "Spatially nested models of habitat use by the Niangua darter, Etheostoma nianguae : a threatened Ozark stream fish /." free to MU campus, to others for purchase, 1999. http://wwwlib.umi.com/cr/mo/fullcit?p9962545.

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Roberts, James Henry. "Using genetic tools to understand the population ecology of stream fishes." Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/27633.

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Stream fishes are highly diverse, yet highly imperiled by human alterations of stream environments. Many species are poorly characterized with regard to the size and structure of populations and patterns of dispersal between populations, which complicates assessment of how human activities, both harmful and beneficial, will affect persistence. I used genetic tools to further this understanding in three case-study fish species of the southeastern United States: Roanoke logperch (Percina rex) of the greater Roanoke River basin and redline (Etheostoma rufilineatum) and greenside darters (E. blennioides) of the upper Tennessee River basin. I found that endangered P. rex persists in seven isolated populations. Within populations, individuals exhibit extensive dispersal and gene flow, which maintains connectivity throughout entire watersheds. Most populations exhibit small contemporary effective population sizes and occupy few stream channels, and thereby face an elevated risk of extinction. Genetic estimates of divergence indicate that fragmentation was recent, coincident with the construction of major dams throughout the speciesâ range. Close evolutionary relationships between most populations suggest that a translocation strategy could decrease extinction risks. I developed a framework to help guide the process of balancing small-population versus translocation risks when formulating conservation strategies. When the framework was applied to populations of P. rex, straightforward management prescriptions emerged. The framework also may prove useful for other fragmented species. Unlike P. rex, E. rufilineatum and E. blennioides are relatively abundant where they occur. However, both species were strongly affected by fragmentation due to hydroelectric dams and reservoirs. Populations in small streams flowing directly into a reservoir had lower genetic diversity than populations in larger, more fluvially connected streams. Furthermore, indices of watershed urbanization (e.g., percent impervious surface, road density) were negatively correlated with genetic diversity and with a genetic index of population stability. This suggests that darters occupying isolated streams and/or urbanizing watersheds experience smaller, more variable population sizes than darters elsewhere. Monitoring of such genetic responses could provide a useful early indicator of ecosystem stress and a useful complement to other biomonitoring techniques.
Ph. D.
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Dunn, Corey Garland. "Habitat and Imperilment of the Candy Darter Etheostoma osburni in the New River Drainage, USA." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/89084.

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The streams of the southeastern United States are both hotspots for biodiversity and centers of imperilment. The specific spatiotemporal scales at which stressors impact biota are often unknown, partly due to inadequate knowledge about many species' life-histories. I conducted two complementary studies to investigate the habitat associations of an imperiled highland stream fish, the Candy Darter Etheostoma osburni. In Chapter 2, I asked (1) does micro-habitat suitability correlate with the "robustness" (i.e., viability) of four distinct populations? In Chapter 3, I expanded the extent of investigation, and asked (2) which environmental factors, expressed at what spatial scales, best explain in-stream conditions, and (3) do stream segments where Candy Darters persist have cooler temperatures and less fine-sediment than segments where the species is extirpated or historically went undetected? Chapter 2 revealed Candy Darters demonstrate ontogenetic habitat shifts, with age-0 individuals selecting slower water velocities than adults. Despite, clear habitat selection for multiple habitat variables, suitability attributed to fine-sediment avoidance most strongly correlated with population robustness across streams. Chapter 3 indicated Candy Darters are extirpated from most areas in Virginia and southern West Virginia. Land use and natural catchment features, including geology, elevation, and stream geomorphology, predominantly explained instream conditions. Populations persist in segments with cool stream temperatures and low embeddedness year-round. To recover Candy Darters, managers will need to remedy pervasive land-use threats and restore stream habitat, while operating within the impending context of warming air and water temperatures and the existential threat of the introduced Variegate Darter E. variatum.
M. S.
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Bey, Clarissa Rachel. "Scale-Dependent Environmental Influences on Linked Mussel-Fish Assemblages in Big Darby Creek, OH." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1376918254.

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Books on the topic "Darters (Fishes)"

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Bailey, Reeve M. Comments on the subgenera of Darters (Percidae) with descriptions of two new species of Etheostoma (Ulocentra) from Southeastern United States. Ann Arbor, Mich: Museum of Zoology, University of Michigan, 1988.

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Carney, Douglas A. Life histories of the bandfin darter, Etheostoma zonistium, and the firebelly darter, Etheostoma pyrrhogaster, in western Kentucky. Champaign, Ill: Illinois Natural History Survey, 1989.

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Carney, Douglas A. Life histories of the bandfin darter, Etheostoma zonistium, and the firebelly darter, Etheostoma pyrrhogaster, in western Kentucky. Champaign, Ill: Illinois Natural History Survey, 1989.

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Randall, John E. Revision of the Indo-Pacific Dartfishes, genus Ptereleotris (Perciformes: Gobioidei). Honolulu, Hawaii: Bernice Pauahi Bishop Museum, 1985.

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Randall, John E. Revision of the Indo-Pacific Dartfishes, genus Ptereleotris (Perciformes: Gobioidei). Honolulu, Hawaii: Bernice Pauahi Bishop Museum, 1985.

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Randall, John E. Revision of the Indo-Pacific dartfishes, genus Ptereleotris (Perciformes: Gobioidei). Honolulu, Hawaii: Bernice Pauahi Bishop Museum, 1985.

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Braasch, Marvin E. Review of the subgenus Catonotus (Percidae) with descriptions of two new darters of the Etheostoma squamiceps species group. Lawrence: Museum of Natural History, University of Kansas, 1985.

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Loeffler, Charles. Arkansas darter, Etheostoma cragini: Recovery plan. Colorado Springs, Colo. (2126 N. Weber St., Colorado Springs 80907): Colorado Division of Wildlife, 1994.

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Société de la faune et des parcs du Québec. Equipe de rétablissement du fouille-roche gris. Plan de rétablissement du fouille-roche gris (Percina copelandi) au Québec. Québec: Société de la faune et des parcs du Québec, 2001.

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Kloek, Stephanie. The behavior and holding strength of darts used to attach pop-up satellite tags, through the use of pull out testing. Durham, N.H: University of New Hampshire, New Hampshire Sea Grant, 2006.

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Book chapters on the topic "Darters (Fishes)"

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Paine, Michael D., and Eugene K. Balon. "Early development of the rainbow darter, Etheostoma caeruleum, according to the theory of saltatory ontogeny." In Early life histories of fishes: New developmental, ecological and evolutionary perspectives, 184–206. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-010-9258-6_10.

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Rafinesque. "PERCHES AND DARTERS." In Fishes in the Freshwaters of Florida, 310–39. University of Florida Press, 2018. http://dx.doi.org/10.2307/j.ctvx1ht6s.41.

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"Community Ecology of Stream Fishes: Concepts, Approaches, and Techniques." In Community Ecology of Stream Fishes: Concepts, Approaches, and Techniques, edited by Edie Marsh-Matthews and William J. Matthews. American Fisheries Society, 2010. http://dx.doi.org/10.47886/9781934874141.ch23.

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<em>Abstract</em>.—Using artificial stream mesocosms, we conducted two experiments in consecutive summers to examine proximate and residual effects of simulated drought on survivorship, body size, condition, and reproduction of fishes common in southern Oklahoma streams. In summer 2000, we examined proximate effects on central stonerollers <em>Campostoma anomalum</em>, bigeye shiners <em>Notropis boops</em>, black-stripe topminnow <em>Fundulus notatus</em>, longear sunfish <em>Lepomis megalotis</em>, and orange-throat darters <em>Etheostoma spectabile </em>exposed to either continuous flow or to simulated drought for 40 d. Survivorship did not differ between treatments for central stonerollers, bigeye shiners, or orangethroat darters, but was lower in the drought treatment for both blackstripe topminnow and longear sunfish. Body size of survivors in the drought treatment tended to be smaller for central stonerollers. Condition of bigeye shiner and central stoneroller individuals was lower in the drought treatment, and bigeye shiner females exposed to drought were less likely to have mature eggs. In summer 2001, we simulated drought for 35 d and examined residual effects on central stonerollers, bigeye shiners, and orangethroat darters approximately 6 months later. Survivorship assayed in spring 2002 was marginally lower for orangethroat darters. Body size of central stonerollers in the drought treatment was smaller, consistent with proximate effects of drought on body size. Bigeye shiners did not differ between treatments in either body size or condition, indicating no residual effect of drought on fat stores despite much lower condition immediately following drought in summer 2000. For orangethroat darters, individuals exposed to drought tended to be larger and in better condition and to have more mature gonads than individuals in the flow treatment after the recovery period. The results of our two experiments demonstrate that drought affects survival, growth, body condition, and reproduction in different ways for different species, and proximate effects do not necessarily predict residual effects on fishes that survive drought.
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WILEY, E. O., and ROBERT H. HAGEN. "Mitochondrial DNA Sequence Variation among the Sand Darters (Percidae: Teleostei)." In Molecular Systematics of Fishes, 75–96. Elsevier, 1997. http://dx.doi.org/10.1016/b978-012417540-2/50007-5.

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Stein, Bruce A., and Larry E. Morse. "A Remarkable Array: Species Diversity in the United States." In Precious Heritage. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195125191.003.0009.

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The Carolina hemlock (Tsuga caroliniana) survives in just a few rocky streambeds along the lower slopes of the Blue Ridge Mountains. Other species of hemlock abound across the United States, but none bear a close resemblance to this particular tree. The closest relatives of the Carolina hemlock, in fact, survive in only one other forest on Earth, some 7,000 miles away in Hubei province of eastern China. The forests of eastern Asia and eastern North America are so similar that if you were suddenly transported from one to the other, you would be hard-pressed to tell them apart. In the swift mountain streams rushing past these seemingly displaced hemlocks live a number of small, colorful fish known as darters. Darters are found only in North America and have evolved into a prolific variety of fishes. Up to 175 species inhabit U.S. waters, including the famous snail darter (Percina tanasi), which brought endangered species issues to the fore when it held up construction of the Tellico Dam on the Little Tennessee River. How is it that these two organisms, hemlock and darter, one with its closest relatives on the other side of the globe and the other found nowhere else in the world, came to be living side by side? Just how many plants and animals share the piece of Earth that we know as the United States of America? Why these and not others? These are central questions for understanding the diversity of the nation’s living resources. The United States encompasses an enormous piece of geography. With more than 3.5 million square miles of land and 12,000 miles of coastline, it is the fourth largest country on Earth, surpassed only by Russia, Canada, and China. The nation spans nearly a third of the globe, extending more than 120 degrees of longitude from eastern Maine to the tip of the Aleutian chain, and 50 degrees in latitude from Point Barrow above the Arctic Circle to the southern tip of Hawaii below the tropic of Cancer. This expanse of terrain includes an exceptional variety of topographic features, from Death Valley at 282 feet below sea level to Mt. McKinley at 20,320 feet above sea level.
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6

Simon, Thomas. "Taxonomic Diagnosis of Young Perch, Pikeperch, and Darters in the Ohio River Drainage." In Reproductive Biology and Early Life History of Fishes in the Ohio River Drainage, 19–28. CRC Press, 2005. http://dx.doi.org/10.1201/9781420039580.ch3.

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7

"Effects of Urbanization on Stream Ecosystems." In Effects of Urbanization on Stream Ecosystems, edited by David M. Walters, Mary C. Freeman, David S. Leigh, Byron J. Freeman, and Catherine M. Pringle. American Fisheries Society, 2005. http://dx.doi.org/10.47886/9781888569735.ch6.

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<em>Abstract.</em>—We quantified the relationships among urban land cover, fishes, and habitat quality to determine how fish assemblages respond to urbanization and if a habitat index can be used as an indirect measure of urban effects on stream ecosystems. We sampled 30 wadeable streams along an urban gradient (5–37% urban land cover) in the Etowah River basin, Georgia. Fish assemblages, sampled by electrofishing standardized stream reaches, were assessed using species richness, density, and species composition metrics. Habitat quality was scored using the Rapid Habitat Assessment Protocol (RHAP) of the U.S. Environmental Protection Agency. Urban land cover (including total, high-, and low-density urban) was estimated for the drainage basin above each reach. A previous study of these sites indicated that stream slope and basin area were strongly related to local variation in assemblage structure. We used multiple linear regression (MLR) analysis to account for this variation and isolate the urban effect on fishes. The MLR models indicated that urbanization lowered species richness and density and led to predictable changes in species composition. Darters and sculpin, cyprinids, and endemics declined along the urban gradient whereas centrarchids persisted and became the dominant group. The RHAP was not a suitable indicator of urban effects because RHAP-urban relationships were confounded by an overriding influence of stream slope on RHAP scores, and urban-related changes in fish assemblage structure preceded gross changes in stream habitat quality. Regression analysis indicated that urban effects on fishes accrue rapidly (<10 years) and are detectable at low levels (~5–10% urbanization). We predict that the decline of endemics and other species will continue and centrarchid-dominated streams will become more common as development proceeds within the Etowah basin.
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8

"Historical Changes in Large River Fish Assemblages of the Americas." In Historical Changes in Large River Fish Assemblages of the Americas, edited by Thomas P. Simon, Ronda L. Dufour, and Brant E. Fisher. American Fisheries Society, 2005. http://dx.doi.org/10.47886/9781888569728.ch20.

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<em>Abstract.</em>—The Patoka River drainage is a lowland-gradient watershed of the Wabash River lowlands in southwestern Indiana. During the late 18th century, the river was part of an extensive riparian floodplain wetland that connected the White River with the lower Wabash River. Through anthropogenic changes as a result of ditching, channelization, levee creation, coal extraction, and oil and gas exploration, the Patoka River drainage has been highly altered. These changes have resulted in a loss of sitespecific biological diversity and integrity, causing drainage-wide biological diversity decline. Extirpations in the watershed have resulted in the local loss of 12.7% of the fish fauna during the last century. The local extirpations of six species included central mudminnow <em>Umbra limi</em>, black redhorse <em>Moxostoma duquesnei</em>, brindled madtom <em>Noturus miurus</em>, bluebreast darter <em>Etheostoma camurum</em>, slenderhead darter <em>Percina phoxocephala</em>, and saddleback darter <em>P. vigil</em>. Black redhorse, bluebreast darter, slenderhead darter, and saddleback darter were only known from pre-1900, while brindled madtom and central mudminnow were known until the early 1940s. These species may have been rare to begin with in the Patoka River drainage, but since they are widespread elsewhere, it seems more probable that they disappeared as a result of the land-use changes. Sensitive species of darters and minnows have declined in abundance, but recent sampling has shown that they remain in the watershed at low abundance. Based on a probability sample, less than 12% of the channels represented reference least-disturbed conditions, while 61% exhibited degraded conditions.
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9

"Historical Changes in Large River Fish Assemblages of the Americas." In Historical Changes in Large River Fish Assemblages of the Americas, edited by Thomas P. Simon, Ronda L. Dufour, and Brant E. Fisher. American Fisheries Society, 2005. http://dx.doi.org/10.47886/9781888569728.ch20.

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<em>Abstract.</em>—The Patoka River drainage is a lowland-gradient watershed of the Wabash River lowlands in southwestern Indiana. During the late 18th century, the river was part of an extensive riparian floodplain wetland that connected the White River with the lower Wabash River. Through anthropogenic changes as a result of ditching, channelization, levee creation, coal extraction, and oil and gas exploration, the Patoka River drainage has been highly altered. These changes have resulted in a loss of sitespecific biological diversity and integrity, causing drainage-wide biological diversity decline. Extirpations in the watershed have resulted in the local loss of 12.7% of the fish fauna during the last century. The local extirpations of six species included central mudminnow <em>Umbra limi</em>, black redhorse <em>Moxostoma duquesnei</em>, brindled madtom <em>Noturus miurus</em>, bluebreast darter <em>Etheostoma camurum</em>, slenderhead darter <em>Percina phoxocephala</em>, and saddleback darter <em>P. vigil</em>. Black redhorse, bluebreast darter, slenderhead darter, and saddleback darter were only known from pre-1900, while brindled madtom and central mudminnow were known until the early 1940s. These species may have been rare to begin with in the Patoka River drainage, but since they are widespread elsewhere, it seems more probable that they disappeared as a result of the land-use changes. Sensitive species of darters and minnows have declined in abundance, but recent sampling has shown that they remain in the watershed at low abundance. Based on a probability sample, less than 12% of the channels represented reference least-disturbed conditions, while 61% exhibited degraded conditions.
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10

"Historical Changes in Large River Fish Assemblages of the Americas." In Historical Changes in Large River Fish Assemblages of the Americas, edited by Blaine D. Snyder. American Fisheries Society, 2005. http://dx.doi.org/10.47886/9781888569728.ch23.

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<em>Abstract.</em>—The Susquehanna River drains portions of New York, Pennsylvania, and Maryland, and is the 18th largest river (by discharge) in the United States. Although relatively undeveloped (i.e., 63% of the basin is forested, whereas 9% is urban), the river and its fish assemblage have experienced stresses associated with coal mining, logging, electric power generation, population growth, and agricultural and industrial operations. Surveys of Susquehanna River fishes have a rich history, with the qualitative surveys of 19th century naturalists giving way to the quantitative studies of 20th century environmental impact assessment specialists. Ichthyofaunal surveys of the Susquehanna drainage were compiled and summarized herein to examine species composition, losses, and additions. Collection records indicate that the Susquehanna River drainage supports a diverse and relatively stable assemblage of 60 native species (or 51% of all species), 33 (28%) alien species, 22 (19%) euryhaline or diadromous fishes, and 2 (2%) extirpated or extinct species. Stocking efforts, bait-bucket releases, range extensions, and new species descriptions accounted for most contemporary species additions. Overall reduction in species richness has been limited to one cyprinid that has not been collected since 1862, and one darter species that has not been collected since 1987. Construction of four large hydroelectric dams on the lower Susquehanna (in the early 20th century) eliminated 98% of historic anadromous fish habitat, leading to notable reductions in commercial/ recreational clupeid stocks. Recent increases in the occurrence and abundance of anadromous fish in the Susquehanna River are a credit to an extensive restoration program that began with fish trap and transfer operations in 1972, included fish culture programs, and led to the installation of fish passage technologies at each of the four dams.
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Conference papers on the topic "Darters (Fishes)"

1

Bangaru, Sreekanth, and Jie Cui. "CFD Simulation of Flow in a Circular Pipe With Percina Rex Fish." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-39973.

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We tried to correlate the fish behavior observed in the laboratory during the development of the exhaustion threshold curves with flow field in the fish passage with culverts and other impediments. In particular, we focused on aspects of fish behavior which may have exploited the velocity and turbulence fields in a circular passage. Roanoke logperch ( Percina rex ), the largest of the Virginia’s darters are federally endangered species. Logperch of different sizes were tested during the development of the exhaustion threshold curves at different velocities ranging from 40 to 70 cm/s in the laboratory in a circular pipe. The pipe was divided into four quadrants in the streamwise direction. Simulations were run at velocities 40 and 70 cm/s using Computational Fluid Dynamics (CFD) software Fluent with fish at center and bottom of the pipe. The velocity and turbulence kinetic energy contours of all the positions of the fish were compared to correlate the fish behavior observed in the laboratory.
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