Results 1 to 10 of about 2,013 (196)

Karyotype description of five species of Trichomycterus (Teleostei: Siluriformes: Trichomycteridae) [PDF]

open access: yesGenetics and Molecular Biology, 2004
Trichomycteridae is a family of small catfish which are widely distributed throughout Southern Central America and South America. The present study showed that the cis-Andean species Trichomycterus florensis, Trichomycterus sp. aff.
Claudio Oliveira, Fausto Foresti
exaly   +7 more sources

Description of Silvinichthys pedernalensis n. sp. (Teleostei, Siluriformes) from the Andean Cordillera of southern South America [PDF]

open access: yesAnimal Biodiversity and Conservation, 2017
Silvinichthys pedernalensis, a new species, is described from an Andean stream in Provincia San Juan, Argentina, based on its coloration pattern, and its meristic, morphometric and osteological characters. S. pedernalensis differs markedly from all other
Fernández, L.   +2 more
doaj   +3 more sources

A new and threatened species of Listrura (Siluriformes: Trichomycteridae), a rare catfish from an Atlantic Forest continental island [PDF]

open access: yesNeotropical Ichthyology
Listrura is a genus of small pencil catfishes of Trichomycteridae that currently comprises 12 valid species in coastal drainages of Southern and Southeastern Brazil, all with fossorial dwelling habitats and eel-like morphology.
Lucas Silva de Medeiros   +2 more
exaly   +3 more sources

Trichomycterus sketi: a new species of subterranean catfish (Siluriformes: Trichomycteridae) from the Andean Cordillera of Colombia

open access: yesBiota Colombiana, 2010
A new catfish species belonging to genus Trichomycterus Valenciennes (Trichomycteridae) is described. Trichomycterus sketi n. sp. was collected in Cueva del Indio located in the upper río Opón basin, Magdalena river system, in the Andean Cordillera ...
César A. Castellanos-Morales
doaj   +11 more sources

Descripción morfométrica Trichomycteridae (Siluriformes) de las cuencas hidrográficas de la cordillera Chongón-Colonche, provincia de Santa Elena, Ecuador

open access: yesRevista Científica de Ciencias Naturales y Ambientales, 2021
La presencia de diferentes grupos de peces de agua dulce son el resultado de eventos de especiación en la costa ecuatoriana, esto debido a los factores geomorfológicos y variaciones climáticas.
Pedro Guillermo Ramos Montoya   +1 more
doaj   +1 more source

Fish, Cubatão River basin, Atlantic Rainforest stream, Paraná, Brazil [PDF]

open access: yesCheck List, 2009
The freshwater ichthyofauna of the Cubatão River basin was studied. This drainage belongs to the Atlantic rainforestbiome in Paraná state coastal region, southern Brazil.
Bastos, L. P., Abilhoa, V.
doaj   +4 more sources

Evaluación de algunos marcadores de exposición a contaminantes en tres especies de bagres colombianos (Pisces: Siluriformes)

open access: yesBiota Colombiana, 2014
Se evaluaron ejemplares adultos de las especies capitán de la Sabana (Eremophilus mutisii), bagre rayado (Pseudoplatystoma orinocoense y P. metaense) y capaz (Pimelodus grosskopfii) (n=9-27/especie), provenientes del río Bogotá (Cundinamarca), Puerto ...
Jaime González M.   +5 more
doaj   +8 more sources

First record of the miniature catfish Malacoglanis gelatinosus Myers & Weitzman, 1966 (Siluriformes, Trichomycteridae) in the Orinoco river basin [PDF]

open access: yesCheck List, 2018
Malacoglanis gelatinosus, a species of miniature catfish of the family Trichomycteridae, is only known from 4 specimens from the Amazon basin. Recently, we collected 3 specimens from the upper basin of the Meta River, a tributary of the Orinoco.
Diana C. Montoya-Ospina   +4 more
doaj   +3 more sources

Reproduction, development, asymmetry and late eye regression in the Brazilian cave catfish Ituglanis passensis (Siluriformes, Trichomycteridae): evidence contributing to the neutral mutation theory [PDF]

open access: yesSubterranean Biology, 2021
The troglobitic (exclusively subterranean source population) catfish Ituglanis passensis (Siluriformes, Trichomycteridae) is endemic to the Passa Três Cave, São Domingos karst area, Rio Tocantins basin, Central Brazil.
Sandro Secutti, Eleonora Trajano
doaj   +3 more sources

Hatcheria macraei (Girard, 1855) (Siluriformes, Trichomycteridae): new record from northwestern Argentina [PDF]

open access: yes, 2015
The geographic distribution of Hatcheria macraei (Girard 1855), the Patagonian Catfish, is herein extended north of the Río Colorado headwaters, the previous northernmost record for the species. H.
Andreoli Bize, Julieta   +1 more
core   +2 more sources

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