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Relevant bibliographies by topics / Troglobitic fish

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Journal articles

Academic literature on the topic 'Troglobitic fish'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Troglobitic fish"

1

Sampaio, Francisco Alexandre Costa, Marina Silva Rufino, Paulo Santos Pompeu, Hersília de Andrade е. Santos, and Rodrigo Lopes Ferreira. "Hydraulic flow resistance of epigean and hypogean fish of the family Trichomycteridae (Ostariophysi, Siluriformes)." Subterranean Biology 35 (October 23, 2020): 97–110. http://dx.doi.org/10.3897/subtbiol.35.55064.

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Critical swimming speeds of four trichomycterid fish species from epigean and hypogean environments were analyzed and compared: Trichomycterus itacarambiensis and Ituglanis passensis, both troglobitic from underground rivers; Trichomycterus brasiliensis, from epigean rivers; and Ituglanis sp., an undescribed troglophilic species from an underground stream. Swimming tests were conducted with a non-volitional apparatus in which fish swim against a progressive incremental water velocity until they longer resist the flow. Total length was significantly related to critical speed for only T. itacara

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2

Sampaio, Francisco Alexandre Costa, Marina Silva Rufino, Paulo Santos Pompeu, Hersília de Andrade е. Santos, and Rodrigo Lopes Ferreira. "Hydraulic flow resistance of epigean and hypogean fish of the family Trichomycteridae (Ostariophysi, Siluriformes)." Subterranean Biology 35 (October 23, 2020): 97–110. https://doi.org/10.3897/subtbiol.35.55064.

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Critical swimming speeds of four trichomycterid fish species from epigean and hypogean environments were analyzed and compared: Trichomycterus itacarambiensis and Ituglanis passensis, both troglobitic from underground rivers; Trichomycterus brasiliensis, from epigean rivers; and Ituglanis sp., an undescribed troglophilic species from an underground stream. Swimming tests were conducted with a non-volitional apparatus in which fish swim against a progressive incremental water velocity until they longer resist the flow. Total length was significantly related to critical speed for only T. itacara

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3

Felice, Vanessa, Maria Aparecida Visconti, and Eleonora Trajano. "Mechanisms of pigmentation loss in subterranean fishes." Neotropical Ichthyology 6, no. 4 (2008): 657–62. http://dx.doi.org/10.1590/s1679-62252008000400015.

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Troglobitic (exclusively subterranean) organisms usually present, among their apomorphies related to the subterranean life (troglomorphisms), the regression of eyes and melanic pigmentation. The degree of regression varies among species, from a slight reduction to the complete loss of eyes and dark pigmentation, without a taxonomic correlation. While mechanisms of eye reduction have been intensively investigated in some troglobites such as the Mexican blind tetra characins, genus Astyanax, and the European salamander, Proteus anguinus, few studies have focused on pigmentation. The Brazilian su

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4

Bichuette, Maria Elina. "ECOLOGIA DE PEIXES DE RIACHOS DE CAVERNAS E OUTROS HABITAT SUBTERRÂNEOS." Oecologia Australis 25, no. 02 (2021): 620–41. http://dx.doi.org/10.4257/oeco.2021.2502.24.

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Brazil is rich in caves, with more than 20,000 officially registered. In addition to the caves, which develop in different types of rock, there are other subterranean habitats (hypogean) with bodies of water in the form of drainages (level base streams), outcrops of the water table (saturated zone) in flooded caves or in the form of pools and lakes within caves, in addition to upper aquifers formed by infiltration of water in the rock. In some cases, groundwater does not emerge in caves, but in alluviums close to rivers, representing a hyporeic zone. The Brazilian subterranean ichthyofauna is

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5

Espinasa, Luis, Drake M. Smith, and Julianna M. Lindquist. "The Pennsylvania grotto sculpin: population genetics." Subterranean Biology 38 (April 12, 2021): 47–63. http://dx.doi.org/10.3897/subtbiol.38.60865.

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The Pennsylvania grotto sculpin is known from just two caves of the Nippenose Valley in central Pennsylvania, USA. They exhibit emergent troglobitic morphological traits and are the second northern-most cave adapted fish in the world. Two mitochondrial (16S rRNA and D-loop gene) and one nuclear (S7 ribosomal protein gene intron) gene in both cave and epigean populations were sequenced. For the three markers, a large proportion of cave specimens possess unique haplotypes not found in their local surface counterparts, suggesting a vicariance in their evolutionary history. The cave population als

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6

Espinasa, Luis, Drake M. Smith, and Julianna M. Lindquist. "The Pennsylvania grotto sculpin: population genetics." Subterranean Biology 38 (April 12, 2021): 47–63. https://doi.org/10.3897/subtbiol.38.60865.

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The Pennsylvania grotto sculpin is known from just two caves of the Nippenose Valley in central Pennsylvania, USA. They exhibit emergent troglobitic morphological traits and are the second northern-most cave adapted fish in the world. Two mitochondrial (16S rRNA and D-loop gene) and one nuclear (S7 ribosomal protein gene intron) gene in both cave and epigean populations were sequenced. For the three markers, a large proportion of cave specimens possess unique haplotypes not found in their local surface counterparts, suggesting a vicariance in their evolutionary history. The cave population als

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7

Dazzani, Bianca, Caroline Garcia, Marilena Peixoto, Eleonora Trajano, and Lurdes Foresti de Almeida-Toledo. "Cytogenetic and molecular analyses in troglobitic and epigean species of Pimelodella (Siluriformes: Heptapteridae) from Brazil." Neotropical Ichthyology 10, no. 3 (2012): 623–32. http://dx.doi.org/10.1590/s1679-62252012005000020.

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Samples from seven different locations of the genus Pimelodella were genetically examined, two caves (exclusively subterranean, upper Tocantins River and São Francisco River) and five epigean (from upper Paraná River basin). Cytogenetic analyses revealed the same diploid number (2n=46) for all species besides similarities in both number and location of nucleolar organizer regions and C bands. FISH with 5S rDNA probes and CMA3 staining indicated significant differences among the studied species. Application of PCR-RFLP in ATPase 6 and 8 mitochondrial genes allowed building a minimum evolution p

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8

Espinasa, Luis, Bartolo Nicole D., and Newkirk Catherine E. "DNA sequences of troglobitic nicoletiid insects support Sierra de El Abra and the Sierra de Guatemala as a single biogeographical area: Implications for Astyanax." Subterranean Biology 13 (March 18, 2014): 35–44. https://doi.org/10.3897/subtbiol.13.7256.

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The blind Mexican tetra fish, <i>Astyanax mexicanus</i>, has become the most influential model for research of cave adapted organisms. Many authors assume that the Sierra de Guatemala populations and the Sierra de El Abra populations are derived from two independent colonizations. This assumption arises in part from biogeography. The 100 m high, 100 m wide Servilleta Canyon of the Boquillas River separates both mountain ranges and is an apparent barrier for troglobite dispersion. <i>Anelpistina quinterensis</i> (Nicoletiidae, Zygentoma, Insecta) is one of the most troglomorphic nicoletiid silv

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9

Mar-Silva, Adán Fernando, Jairo Arroyave, and Píndaro Díaz-Jaimes. "The complete mitochondrial genome of the Mexican-endemic cavefish Ophisternon infernale (Synbranchiformes, Synbranchidae): insights on patterns of selection and implications for synbranchiform phylogenetics." ZooKeys 1089 (March 11, 2022): 1–23. http://dx.doi.org/10.3897/zookeys.1089.78182.

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Ophisternon infernale is one of the 200+ troglobitic fish species worldwide, and one of the two cave-dwelling fishes endemic to the karstic aquifer of the Yucatán Peninsula, Mexico. Because of its elusive nature and the relative inaccessibility of its habitat, there is virtually no genetic information on this enigmatic fish. Herein we report the complete mitochondrial genome of O. infernale, which overall exhibits a configuration comparable to that of other synbranchiforms as well as of more distantly related teleosts. The KA/KS ratio indicates that most mtDNA PCGs in synbranchiforms have evol

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10

Bichuette, Maria Elina, and Eleonora Trajano. "Population density and habitat of an endangered cave fish Eigenmannia vicentespelaea Triques, 1996 (Ostariophysi: Gymnotiformes) from a karst area in central Brazil." Neotropical Ichthyology 13, no. 1 (2015): 113–22. http://dx.doi.org/10.1590/1982-0224-20140095.

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The troglobitic electric fish Eigenmannia vicentespelaea, endemic to a single cave-system and included in the Brazilian Red List of Threatened Fauna, was studied in relation to population densities and habitat. For comparison, we used the epigean species, E. trilineata. We verify if the population densities recorded for E. vicentespelaea follow the pattern observed for other subterranean fishes; if there are seasonal fluctuations in these densities and which environmental variables explain the densities variation. We estimated abundances and population densities during three consecutive dry se

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