|
|
| Vanegas-Ríos,James Anyelo; Azpelicueta,María de las Mercedes; Mirande,Juan Marcos; Gonzales,María Dolly García. |
| A new species of Gephyrocharax is described from the río Cascajales basin, a tributary of the río La Colorada, río Magdalena system, Colombia. The new species is distinguished from its congeners, exceptG. melanocheir, by the absence of an adipose fin in most specimens and by the possession of a lateral branched pectoral-fin ray in males with a distal fan-shaped structure with minute bony hooks and a dark blotch or a few scattered dark brown chromatophores along its branches. The new species differs from G.melanocheir by the absence of an intense black pigmentation at the base of the anterior five dorsal-fin rays, the number of vertebrae (40-41vs. 38-39), the frontals contacting each other anterior to the epiphyseal bar in adults (vs. the absence of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Glandular tissue; Neuromasts; Pouch scale; Stevardiini; Urogenital papillae. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000200275 |
| |
