Results 111 to 120 of about 2,449 (227)
Especies de peces gymnotiformes (Gymnotiformes, Teleostei) de Colombia
Neotropical electric fishes (Teleostei, Gymnotiformes), also called American knifefishes, are an important component of the nocturnal ichthyological fauna in Middle and South America.
Maldonado-Ocampo, Javier Alejandro +1 more
core +1 more source
Comparing lacustrine environments: the importance of the kind of habitat on the structure of fishes
Aim Fish diversity in two lentic environments: a lake connected (Barbosa lake) to a river and an artificial reservoir (Ninfeias reservoir) were determined in the dry and rainy periods in 2015. We expected to find more diversity in the connected lake and
Reinaldo José de Castro +3 more
doaj +1 more source
Phylogenetic revision of Gymnotidae (Teleostei: Gymnotiformes), with descriptions of six subgenera
The diversity of gymnotid electric fishes has been intensely studied over the past 25 years, with 35 species named since 1994, compared to 11 species in the previous 236 years. Substantial effort has also been applied in recent years to documenting gymnotid interrelationships, with seven systematic studies published using morphological and molecular ...
Jack M. Craig +3 more
openaire +4 more sources
Influência do método de amostragem nas estimativas de detecção e ocupação de peixes elétricos (Gymnotiformes) em igarapés da Reserva Ducke, Amazônia Central [PDF]
Recording species occurrence is not always a simple task, because it is subject to flaws in the detection. Fishes of the Gymnotiformes can be difficult to detect, since they have nocturnal and cryptobiotic habits.
Andrade, André Luiz Ramos Holanda de
core
ProBiota | Serie Técnica y Didáctica | Guías de ictiología: orden Gymnotiformes
Recopilación de imágenes, gráficos y características de los peces pertenecientes al orden de los Gymnotiformes, que comprende un grupo de peces electrogénicos de agua dulce exclusivamente neotropicales.Facultad de Ciencias Naturales y ...
Protogino, Lucila Cristina
core
This study aims to describe the feeding habits of a population of the weakly electric fish Eigenmannia trilineata from Southern Brazil through the monthly frequency variation of replection (RI) and hepatosomatic (HSI) indexes, condition factor (CF) and ...
Júlia Giora +2 more
doaj +1 more source
The brain of Brycon orbignyanus is described as a model for future studies of the gross morphology of the central nervous system in Characiformes. The study of brain gross morphology of 48 distinct taxa of Characiformes, one of Cypriniformes, two of ...
Thiago N. A. Pereira +1 more
doaj +1 more source
Figure 2. Premaxilla and anterior portion of neurocranium of Sternarchorhynchus goeldii, MCZ 46887; dorsal view, anterior to left.Published as part of Santana, Carlos David De & Vari, Richard P., 2010, Electric fishes of the genus Sternarchorhynchus ...
RICHARD P. VARI +3 more
core +1 more source
Vari, Richard P., Santana, Carlos David De, Wosiacki, Wolmar B. (2012): South American electric knifefishes of the genus Archolaemus (Ostariophysi, Gymnotiformes): undetected diversity in a clade of rheophiles.
Wosiacki, Wolmar B. +2 more
core +1 more source
Peixoto, Luiz Antônio W., Wosiacki, Wolmar B. (2016): Eigenmannia besouro, a new species of the Eigenmannia trilineata species-group (Gymnotiformes: Sternopygidae) from the rio São Francisco basin, northeastern Brazil.
Peixoto, Luiz Antônio W. +3 more
core +1 more source

