Academic literature on the topic 'African cichlid fishes'

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Journal articles on the topic "African cichlid fishes"

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Oliver, Michael. "African cichlid fishes: morphological data and taxonomic insights from a genus-level survey of supraneurals, pterygiophores, and vertebral counts (Ovalentaria, Blenniiformes, Cichlidae, Pseudocrenilabrinae)." Biodiversity Data Journal 12 (October 18, 2024): e130707. https://doi.org/10.3897/BDJ.12.e130707.

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The iconic freshwater cichlid fishes (Cichlidae) comprise about 1750 validly named species and hundreds more that are known, but not yet described and named. Cichlids are an important source of protein for millions of people on several continents, are model organisms in studies of evolution, speciation, ecology, development, behaviour and physiology and are popular as aquarium fishes. Yet, comparative studies of cichlid internal anatomy are rare. Even their osteology has not been taxonomically surveyed. The cichlid postcranial skeleton has been especially neglected.Here, I provide the first su
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Recknagel, Hans, Kathryn R. Elmer, and Axel Meyer. "A Hybrid Genetic Linkage Map of Two Ecologically and Morphologically Divergent Midas Cichlid Fishes (Amphilophus spp.) Obtained by Massively Parallel DNA Sequencing (ddRADSeq)." G3 Genes|Genomes|Genetics 3, no. 1 (2013): 65–74. http://dx.doi.org/10.1534/g3.112.003897.

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Abstract Cichlid fishes are an excellent model system for studying speciation and the formation of adaptive radiations because of their tremendous species richness and astonishing phenotypic diversity. Most research has focused on African rift lake fishes, although Neotropical cichlid species display much variability as well. Almost one dozen species of the Midas cichlid species complex (Amphilophus spp.) have been described so far and have formed repeated adaptive radiations in several Nicaraguan crater lakes. Here we apply double-digest restriction-site associated DNA sequencing to obtain a
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Shumway, Caroly A. "The evolution of complex brains and behaviors in African cichlid fishes." Current Zoology 56, no. 1 (2010): 144–56. http://dx.doi.org/10.1093/czoolo/56.1.144.

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Abstract In this review, I explore the effects of both social organization and the physical environment, specifically habitat complexity, on the brains and behavior of highly visual African cichlid fishes, drawing on examples from primates and birds where appropriate. In closely related fishes from the monophyletic Ectodinii clade of Lake Tanganyika, both forces influence cichlid brains and behavior. Considering social influences first, visual acuity differs with respect to social organization (monogamy versus polygyny). Both the telencephalon and amygdalar homologue, area Dm, are larger in mo
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Danley, Patrick D., Martin Husemann, Baoqing Ding, Lyndsay M. DiPietro, Emily J. Beverly, and Daniel J. Peppe. "The Impact of the Geologic History and Paleoclimate on the Diversification of East African Cichlids." International Journal of Evolutionary Biology 2012 (July 19, 2012): 1–20. http://dx.doi.org/10.1155/2012/574851.

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The cichlid fishes of the East African Great Lakes are the largest extant vertebrate radiation identified to date. These lakes and their surrounding waters support over 2,000 species of cichlid fish, many of which are descended from a single common ancestor within the past 10 Ma. The extraordinary East African cichlid diversity is intricately linked to the highly variable geologic and paleoclimatic history of this region. Greater than 10 Ma, the western arm of the East African rift system began to separate, thereby creating a series of rift basins that would come to contain several water bodie
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McGee, Matthew D., Brant C. Faircloth, Samuel R. Borstein, et al. "Replicated divergence in cichlid radiations mirrors a major vertebrate innovation." Proceedings of the Royal Society B: Biological Sciences 283, no. 1822 (2016): 20151413. http://dx.doi.org/10.1098/rspb.2015.1413.

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Decoupling of the upper jaw bones—jaw kinesis—is a distinctive feature of the ray-finned fishes, but it is not clear how the innovation is related to the extraordinary diversity of feeding behaviours and feeding ecology in this group. We address this issue in a lineage of ray-finned fishes that is well known for its ecological and functional diversity—African rift lake cichlids. We sequenced ultraconserved elements to generate a phylogenomic tree of the Lake Tanganyika and Lake Malawi cichlid radiations. We filmed a diverse array of over 50 cichlid species capturing live prey and quantified th
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Fan, Shaohua, Kathryn R. Elmer, and Axel Meyer. "Genomics of adaptation and speciation in cichlid fishes: recent advances and analyses in African and Neotropical lineages." Philosophical Transactions of the Royal Society B: Biological Sciences 367, no. 1587 (2012): 385–94. http://dx.doi.org/10.1098/rstb.2011.0247.

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Cichlid fishes are remarkably phenotypically diverse and species-rich. Therefore, they provide an exciting opportunity for the study of the genetics of adaptation and speciation by natural and sexual selection. Here, we review advances in the genomics and transcriptomics of cichlids, particularly regarding ecologically relevant differences in body shape, trophic apparatus, coloration and patterning, and sex determination. Research conducted so far has focused almost exclusively on African cichlids. To analyse genomic diversity and selection in a Neotropical radiation, we conducted a comparativ
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Harris, Andrew S., and Jonathan M. Wright. "Nucleotide sequence and genomic organization of cichlid fish minisatellites." Genome 38, no. 1 (1995): 177–84. http://dx.doi.org/10.1139/g95-022.

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We have cloned, sequenced, and determined the genomic organization of minisatellites from the African cichlid fish, Oroechromis niloticus. We estimate that minisatellites related in sequence to the Jeffreys' core probes 33.6 and 33.15 occur approximately every 1000 kilobase pairs in the cichlid fish genome. Sequencing of three minisatellites revealed that the size of the monomer units of the tandem arrays ranged from 7 to 24 base pairs (bp). One minisatellite appeared to contain a higher ordered periodicity of 90–120 bp superimposed on the apparent 15 bp monomer repeat, indicating a particular
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Kornfield, Irv, and Peter F. Smith. "African Cichlid Fishes: Model Systems for Evolutionary Biology." Annual Review of Ecology and Systematics 31, no. 1 (2000): 163–96. http://dx.doi.org/10.1146/annurev.ecolsys.31.1.163.

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Gammerdinger, William J., and Thomas D. Kocher. "Unusual Diversity of Sex Chromosomes in African Cichlid Fishes." Genes 9, no. 10 (2018): 480. http://dx.doi.org/10.3390/genes9100480.

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African cichlids display a remarkable assortment of jaw morphologies, pigmentation patterns, and mating behaviors. In addition to this previously documented diversity, recent studies have documented a rich diversity of sex chromosomes within these fishes. Here we review the known sex-determination network within vertebrates, and the extraordinary number of sex chromosomes systems segregating in African cichlids. We also propose a model for understanding the unusual number of sex chromosome systems within this clade.
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Ahi, Ehsan P., Anna Duenser, Pooja Singh, Wolfgang Gessl, and Christian Sturmbauer. "Appetite regulating genes may contribute to herbivory versus carnivory trophic divergence in haplochromine cichlids." PeerJ 8 (January 20, 2020): e8375. http://dx.doi.org/10.7717/peerj.8375.

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Feeding is a complex behaviour comprised of satiety control, foraging, ingestion and subsequent digestion. Cichlids from the East African Great Lakes are renowned for their diverse trophic specializations, largely predicated on highly variable jaw morphologies. Thus, most research has focused on dissecting the genetic, morphological and regulatory basis of jaw and teeth development in these species. Here for the first time we explore another aspect of feeding, the regulation of appetite related genes that are expressed in the brain and control satiety in cichlid fishes. Using qPCR analysis, we
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Dissertations / Theses on the topic "African cichlid fishes"

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Loh, Yong-Hwee Eddie. "Genetic variation in fast-evolving East African cichlid fishes: an evolutionary perspective." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41148.

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Cichlid fishes from the East African Rift lakes Victoria, Tanganyika and Malawi represent a preeminent example of replicated and rapid evolutionary radiation. In this single natural system, numerous morphological (eg. jaw and tooth shape, color patterns, visual sensitivity), behavioral (eg. bower-building) and physiological (eg. development, neural patterning) phenotypes have emerged, much akin to a mutagenic screen. This dissertation encompasses three studies that seek to decipher the underpinnings of such rapid evolutionary diversification, investigated via the genetic variation in East Afri
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Pierotti, Michele E. R. "Origin, maintenance and evolutionary consequences of male mating preference variation in East African cichlid fishes." Thesis, University of Hull, 2007. http://hydra.hull.ac.uk/resources/hull:11614.

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Chan, Tin-Yam. "The role of male competition and female choice in the mating success of a Lek-breeding Southern African Cichlid fish Pseudocrenilabrus Philander (Pisces: Cichlidae)." Thesis, Rhodes University, 1988. http://hdl.handle.net/10962/d1002049.

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A lek-breeding cichlid fish Pseudocrenilabrus philander was studied experimentally. Females in choice-chamber experiments showed no active choice for male size and colour, or for other male attributes, but preferred males which courted most actively. In a laboratory lek, the significant determinants of the strongly skewed mating success in males were territory size, side-shake and female chasing frequency. Together these three variables explained 79% of the variation in male mating success, with territory size alone accounting for 75% of the variation and the other two variables each accountin
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Tyers, Alexandra Morton. "Divergence and speciation of East African haplochromine cichlid fish." Thesis, Bangor University, 2013. https://research.bangor.ac.uk/portal/en/theses/divergence-and-speciation-of-east-african-haplochromine-cichlid-fish(35db9b7b-0775-4cd5-94f3-556a6f3cacd6).html.

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In the Great Lakes of the East African Rift Valley, cichlid fishes have diversified into hundreds of species with great variety of ecomorphological, secondary sexual and behavioural characteristics. A strong role for sexual selection in their speciation is indicated by the presence of many closely related ecologically similar sympatric species which differ in male secondary sexual characteristics. A review of previous research finds that reproductive isolation by direct mate choice may be a common isolating barrier among sympatric species. Observations of partial assortative mating among diver
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Bills, Ian Roger. "Eco-ethology of shell-dwelling cichlids in Lake Tanganyika." Thesis, Rhodes University, 1997. http://hdl.handle.net/10962/d1005109.

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Observations of habitats are reported. A series of underwater experiments were conducted in natural habitats to answer questions concerning a) why Lamprologus ocellatus and Lamprologus ornatipinnis bury gastropod shells refuges into the substrate, and b) to examine interspecies differences in shell-using behaviours. Some behaviour patterns were analysed using phylogenetic methods. Lamprologus ocellatus and L. ornatipinnis responded to new shells in a variety of ways, shells were moved, buried (and used) or hidden (buried and not used). How shells are utilised seems to be dependant on a complex
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Twentyman, Jones Vanessa. "Morphological variation and its taxonomic implications for insular populations of Pseudocrenilabrus philander (Pisces: Cichlidae)." Thesis, Rhodes University, 1993. http://hdl.handle.net/10962/d1005146.

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The cichlid fish Pseudocrenilabrus philander is widely distributed in southern Africa. Many of the populations occur in small, insular, geographically isolated water bodies, some of which are in arid areas. These small allopatric populations have been isolated for thousands of years and gene flow between them is non-existent or severely restricted. Populations were found to be different in terms of coloration, size of individuals, sexual dimorphism and behaviour. This thesis involved the determination of the taxonomic status of these isolated populations, from a morphological point of view. Th
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Kim, Lesley Yu-Jung. "Effect of increased temperature and decreased food quality on metabolism and growth of an algivorous cichlid, Tropheus duboisi and effect of food habit on the field metabolism of African Cichlids." Wright State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=wright1409625207.

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Oldham, Richard Cole. "Environmental differences affect the visual ecology of an African cichlid (Pseudocrenilabrus multicolor victoriae)." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu152572108599038.

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Atkinson, Tiffany L. "Living in a haze: Direct and indirect impacts of turbidity and diet on an African cichlid fish." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1555434028656478.

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Remišová, Kateřina. "Prostorové uspořádání fotoreceptorů v sítnici ryb z extrémních prostředí." Master's thesis, 2019. http://www.nusl.cz/ntk/nusl-405226.

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Cichlid visual system is highly adaptive to the environment. Fish visual abilities are deter- mined by composition of opsin-based photosensitive pigments located in photoreceptor cells (rods and cones) as well as their distribution. In this thesis, four species of Lake Barombi Mbo cichlids were targeted: Stomatepia mariae, Konia eisentrauti, Konia dikume and Myaka myaka. Shallow-water cichlids K. eisentrauti and S. mariae express these types of cone opsin genes: LWS, RH2A (RH2Aβ more than RH2Aα), SWS2A and SWS2B. Contra- rily, both seasonally deep-water M. myaka and deep-water K. dikume lack e
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Books on the topic "African cichlid fishes"

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Werner, Schmettkamp, ed. The cichlid fishes of Western Africa. Schmettkamp, 2004.

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E, Burgess Warren, ed. African cichlids of Lakes Malawi and Tanganyika. T.F.H. Publications, 1989.

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Warren, Burgess, ed. African cichlids of Lakes Malawi and Tanganyika. T.F.H. Publications, 1986.

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E, Burgess Warren, ed. African Cichlids of Lakes Malawi and Tanganyika. T.F.H.Pubns., 1993.

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Snoeks, Jos. The haplochromines (Teleostei, Cichlidae) of Lake Kivu (East Africa): A taxonomic revision with notes on their ecology. Koninklijk Museum voor Midden-Afrika, 1994.

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Loiselle, Paul V. Fishkeeper's Guide to African Cichlids: A Splendid Introduction to This Diverse and Attractive Group of Tropical Freshwater Fishes. Howell Book House, 1989.

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Jennings, G. H. African Freshwater Fishes Excluding Cichlidae. Calypso Publications, 1998.

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Contributions to the Knowledge of the Cichlid Fishes of the Genus Aulonocara of Lake Malawi (East-Africa). Schweizerbartsche Verlagsbuchhandlung, E., 1987.

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A fishkeeper's guide to African cichlids: A splendid introduction to this diverse and attractive group of tropical freshwater fishes. Tetra Press, 1988.

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Book chapters on the topic "African cichlid fishes"

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Ribbink, Anthony J. "Alternative life-history styles of some African cichlid fishes." In Alternative life-history styles of fishes. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-2065-1_5.

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Wagner, Catherine E. "Ecological Opportunity, Genetic Variation, and the Origins of African Cichlid Radiations." In The Behavior, Ecology and Evolution of Cichlid Fishes. Springer Netherlands, 2021. http://dx.doi.org/10.1007/978-94-024-2080-7_3.

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Sturmbauer, Christian, Martin Husemann, and Patrick D. Danley. "Explosive Speciation and Adaptive Radiation of East African Cichlid Fishes." In Biodiversity Hotspots. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-20992-5_18.

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J. Parsons, Kevin, Kirsty McWhinnie, and Tiffany Armstrong. "An Evo-devo View of Post-genomic African Cichlid Biology: Enhanced Models for Evolution and Biomedicine." In The Behavior, Ecology and Evolution of Cichlid Fishes. Springer Netherlands, 2021. http://dx.doi.org/10.1007/978-94-024-2080-7_21.

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Turner, George F. "Explosive speciation of African cichlid fishes." In Evolution of Biological Diversity. Oxford University PressOxford, 1992. http://dx.doi.org/10.1093/oso/9780198503057.003.0006.

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Abstract Lakes can be considered as inverted islands, as far as freshwater organisms are concerned, and the great lakes of East Africa, clustered in and around the African Rift valley, can be considered an archipelago where a single family of fishes, the Cichlidae, has radiated to produce more than 1500 species. Even though they were only known from a small and unrepresentative collection of preserved material, the unusual diversity of these fishes came to the attention of major figures in the modern synthesis of evolutionary biology in the first half of the twentieth century (Huxley 1942; May
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Rüber, Lukas, Erik Verheyen, Christian Sturmbauer, and Axel Meyer. "Lake level fluctuations and speciation in rock-dwelling cichlid fish in Lake Tanganyika, East Africa." In Evolution on Islands. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198501725.003.0014.

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Abstract The East African Lakes Tanganyika, Malawi, and Victoria each harbour hundreds of endemic invertebrate and vertebrate species. The endemic cichlid fish faunas of the East African Lakes are biologically astonishingly diverse and each of the lakes contains its distinct species flock of cichlid fishes. These species flocks are viewed as the most spectacular example among living vertebrates for evolutionary phenomena termed adaptive radiation, and explosive speciation (Fryer and Iles 1972; Futuyma 1986; Coulter 1991; Martens et al. 1994) and provide ample opportunity of the study of the ev
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Schluter, Dolph. "The origins of ecological diversity." In The Ecology of Adaptive Radiation. Oxford University PressOxford, 2000. http://dx.doi.org/10.1093/oso/9780198505235.003.0001.

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Abstract Adaptive radiation is the evolution of ecological diversity within a rapidly multiplying lineage. It is the differentiation of a single ancestor into an array of species that inhabit a variety of environments and that differ in traits used to exploit those environments. It includes the origin of new species and the evolution of ecological differences between them. It is regarded as the hallmark of adaptive evolution and may well be the most common syndrome in the origin and proliferation of taxa. The most dramatic living examples of adaptive radiation, such as the Galapagos finches (F
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Futuyma, Douglas J., and Mark Kirkpatrick. "Species and Speciation." In Evolution. Oxford University Press, 2022. http://dx.doi.org/10.1093/hesc/9780197619629.003.0015.

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Fishes in the family Cichlidae are highly diverse in the fresh waters of eastern Africa and South America. Here, a male blue discus (Symphysodon aequifasciatus) from the Amazon basin guards his young. In many cichlids, the male broods the eggs in his mouth...
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Kaufman, Les, Lauren J. Chapman, and Colin A. Chapman. "The Great Lakes." In East African Ecosystems And Their Conservation. Oxford University PressNew York, NY, 1996. http://dx.doi.org/10.1093/oso/9780195108170.003.0008.

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Abstract Lake Superior is greater in surface area than Lake Victoria. Lake Baikal is deeper than Lake Tanganyika. Nonetheless, the Great Lakes of East Africa are second to none, when it comes to the wealth of native fishes and the number of people dependent on these lakes. Lake Malawi is thought to host more than 500 species of fishes, nearly all endemic (27). Endemism is also >99% among the haplochromine cichlids of Lake Victoria, where more than 400 species appear to have evolved in less than 200,000 years (29) - geologically and evolutionarily little more than an instant. The most di
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Mayhew, Peter J. "Where two fields meet." In Discovering Evolutionary Ecology. Oxford University PressOxford, 2006. http://dx.doi.org/10.1093/oso/9780198570608.003.0001.

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Abstract A teacher of mine once simplified his complex family history by saying that he, like all of us, originated from Olduvai Gorge in Tanzania (the ‘cradle of mankind’). Tropical Africa has been a cauldron of diversity not only for our own species. It is, to take one example, surprisingly fishy. The Great Lakes of East Africa (Figure 1.1), and surrounding rivers, contain a whopping 1500 species in just one fish family, the cichlids, familiar to freshwater aquarium enthusiasts. This makes cichlids the most species-rich family of vertebrates, beating such diverse and familiar groups as songb
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