Results 61 to 70 of about 311 (149)

It’s Time for Dinner, a Particular and Seasonal Feeding Habit of a Threatened Troglobitic Catfish from Brazil, Rhamdiopsis krugi Bockmann & Castro 2010 (Ostaryophysi, Siluriformes)

open access: yesFishes
Rhamdiopsis krugi is a highly specialized troglobitic (exclusively subterranean) catfish endemic to the phreatic water bodies of twelve caves located within two separated metasedimentary basins in the region of Chapada Diamantina, Bahia state, Brazil ...
Maria E. Bichuette
doaj   +1 more source

Peces de la Laguna Cormorán, Parque Nacional Sangay, Ecuador

open access: yesACI Avances en Ciencias e Ingenierías, 2017
I conducted a fish inventory at the Cormoran Lagoon, in the icthyogeographic area Upano–Zamora, during October 2011 (dry season), February 2012 (transition period), and May 2012 (rainy season).
Fernando Anaguano-Yancha
doaj   +1 more source

Myoglanis aspredinoides (Siluriformes: Heptapteridae), a new catfish from the Río Ventuari, Venezuela

open access: yesZootaxa, 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

A new species of Gladioglanis Ferraris & Mago-Leccia from rio Aripuanã, Amazonas, Brazil (Siluriformes: Heptapteridae)

open access: yesNeotropical Ichthyology
A 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

Metazoan parasites of Mandi-amarelo Pimelodus maculatus and of Jundiá Rhamdia quelen (Osteichthyes: Siluriformes) of Paraíba do Sul River, Volta Redonda, Rio de Janeiro Metazoários parasitos do Mandi-amarelo Pimelodus maculatus e do Jundiá Rhamdia quelen(Osteichthyes: Siluriformes) do Rio Paraíba do Sul, Volta Redonda, Rio de Janeiro

open access: yesRevista Brasileira de Parasitologia Veterinária, 2010
Forty-one specimens of mandi-amarelo Pimelodus maculatus Lacépède, 1803 (Siluriformes: Pimelodidae) and 54 specimens of jundiá Rhamdia quelen (Quoy & Gaimard, 1824) (Siluriformes: Heptapteridae) were collected from the Paraíba do Sul River, Volta Redonda,
Aline Cristine Pinto Venancio   +3 more
doaj   +1 more source

Feeding behavior of the Amazonian Water Snake Helicops hagmanni Roux, 1910 (Reptilia: Squamata: Colubridae: Hydropsini) [PDF]

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2008
The genus Helicops currently comprises 15 species, of which eleven occur in the Amazon Forest. H. hagmanni feeds on fishes and has nocturnal habits, but detailed data about its diet and behavioral ecology are scarce. Here, we report a H.
Marcelo José Sturaro   +1 more
doaj  

Composición taxonómica de los helmintos parásitos de ictalúridos y heptaptéridos (Osteichthyes: Siluriformes) de México, con una hipótesis de homología biogeográfi ca primaria

open access: yesRevista Mexicana de Biodiversidad, 2008
ICTALURIDAE Y HEPTAPTERIDAE (SILURIFORMES) SON 2 FAMILIAS DE PECES DULCEACUÍCOLAS DE ORIGEN NEÁRTICO Y NEOTROPICAL, RESPECTIVAMENTE, DISTRIBUIDAS EN MÉXICO.
GERARDO PÉREZ PONCE DE LEÓN   +1 more
doaj   +1 more source

Cytogenetic analysis of three catfish species of the family Pseudopimelodidae (Teleostei, Siluriformes)

open access: yesGenetics and Molecular Biology, 2008
Cytogenetic analyses performed in Cephalosilurus apurensis, Microglanis aff. cottoides and Pseudopimelodus bufonius revealed that the three species have 2n = 54 chromosomes: C.
Emanuel Ricardo Monteiro Martinez   +4 more
doaj   +1 more source

Triploidy in the hematology of jundia juveniles (Siluriformes: Heptapteridae)

open access: yesBrazilian Journal of Biology
This study compared the hematological characteristics of diploid and triploid of jundia, Rhamdia quelen juveniles, an important freshwater fish cultured in south Brazil.
H Fukushima   +4 more
doaj   +1 more source

Composición taxonómica de los helmintos parásitos de ictalúridos y heptaptéridos (Osteichthyes: Siluriformes) de México, con una hipótesis de homología biogeográfica primaria Taxonomic composition of the helminth parasites of ictalurids and heptapterids (Osteichthyes: Siluriformes) in Mexico, with a hypothesis of biogeographical primary homology

open access: yesRevista Mexicana de Biodiversidad, 2008
Ictaluridae y Heptapteridae (Siluriformes) son 2 familias de peces dulceacuícolas de origen neártico y neotropical, respectivamente, distribuidas en México.
Rogelio Rosas-Valdez   +1 more
doaj  

Home - About - Disclaimer - Privacy