Results 51 to 60 of about 776 (163)
Biometric relations of freshwater fishes of the Suaza River (Huila Department, Colombia) [PDF]
Acta Ichthyologica et Piscatoria, 2016 The knowledge of freshwater fishes in remote Andean mountains is scarce and restricted to changes of occurrence distribution along a specific gradient.
I. Tobes +3 more
doaj +3 more sources
Redescripción de Cetopsorhamdia nasus Eigenmann y Fisher, 1916 (Siluriformes: Heptapteridae) [PDF]
, 2012 To increase our knowledge of the morphology of the genus Cetopsorhamdia, a redescription of the type species C. nasus is presented. External morphology, configuration of the skull, complex vertebrae, free vertebrae and associated structures, pectoral and
Ortega-Lara, Armando
core
Zootaxa, 2005 Myoglanis aspredinoides n. sp. is described from the Río Ventuari, upper Orinoco in Venezuela. The new species is distinguished from the other species of the genus by its elongated body with 56 to 57 vertebrae, long anal fin with 32 to 35 fin rays, lanceolate caudal fin and distally serrated anterior margin of pectoral spine.Se describe Myoglanis ...
CARLOS DONASCIMIENTO, JOHN G. LUNDBERG
openaire +2 more sources
Actualización de la distribución de Rhamdella aymarae (Siluriformes: Heptapteridae)
, 2018 Fil: Bogan, Sergio. Fundación de Historia Natural Félix de Azara; Argentina.
Briñoccoli, Yanina Florencia +3 more
openaire +4 more sources
CUCULLANUS (CUCULLANUS) PINNAI PINNAI PARÁSITO DE RHAMDIOGLANIS FRENATUS (SILURIFORMES, HEPTAPTERIDAE) EN UN ARROYO COSTERO DE LA MATA ATLÁNTICA, BRASIL [PDF]
, 2015 Durante los estudios de helmintos parásitos de peces de agua dulce del arroyo Cubatão, se registró una nueva ocurrencia de Cucullanus (Cucullanus) pinnai pinnai parasitando Rhamdioglanis frenatus (Siluriformes, Heptapteridae).
Jardim, Larissa +4 more
core +3 more sources
Neotropical IchthyologyA new species of Gladioglanis is described from a single locality on rio Aripuanã, rio Madeira basin, and can be distinguished from its congeners by the following characters: dorsal-fin spine and spinelet absent, first dorsal-fin ray flexible, unbranched,
Marcelo Salles Rocha +2 more
doaj +1 more source
Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2008 O gênero Helicops inclui, atualmente, 15 espécies, das quais onze ocorrem na floresta amazônica. Helicops hagmanni se alimenta de peixes e apresenta hábitos noturnos, mas dados detalhados sobre seu comportamento alimentar e ecologia são escassos.
Marcelo José Sturaro +1 more
doaj +1 more source
Revista Mexicana de Biodiversidad, 2017 Albinism is a genetic condition caused by an autosomal recessive gene that affects normal pigmentation in animals. In Neotropical freshwater fish fauna, albinism cases are extremely rare, with only 14 species recorded among more than 6,000 described. Here, we describe the first reported case of albinism in the South American catfish Imparfinis mirini ...
Manoel, Pedro S. +2 more
openaire +3 more sources
Redescripción de imparfinis microps eigenmann y fisher, 1916 (siluriformes: heptapteridae)
, 2019 Incluye figuras, tablas y anexos.Imparfinis microps Eigenmann y Fisher, 1916 fue descrita con base en especímenes provenientes del río Negro (río Guayuriba), en la cuenca alta del río Meta. En este trabajo se llevó a cabo una redescripción de la especie,
López Castaño, Jeisson Alexis
core +1 more source
Neotropical IchthyologyThis study evaluated extracts of Condalia buxifolia as anesthetics for the silver catfish Rhamdia quelen. The effectiveness of eugenol and of the methanolic extract (ME) of C. buxifolia during the transport of this species was also assessed.
Alexssandro Geferson Becker +7 more
doaj +1 more source