| Ref. principal | Risch, L.M., 2003 |
| Aparência refere-se a | |
| Bones in OsteoBase |
| órgãos especializados | |
| aparência diferente | |
| cores diferentes | |
| Notas |
| Características determinantes | none |
| Forma lateral do corpo (shape guide) | elongated |
| Secção transversal | circular |
| Perfil dorsal da cabeça | more or less straight |
| Tipo de olhos | more or less normal |
| Tipo de boca/focinho | more or less normal |
| Posição da boca | terminal |
| Tipo de balança | |
| Diagnose |
Diagnosis: adipose fin rayed in adults, 1st ray forming a spine (not visible in juveniles); adipose-fin rays becoming visible at sizes of 90-100 mm SL, and the spine at 200 mm; dentition very well developed: premaxillary tooth plate broad (38-45% of head length), palatine dentition consisting of an elongate vomerine plate and of a dermo-palatine plate in young individuals (60-70 mm SL); palatine tooth plates narrow and long with much weaker dentition; nasal barbel long, reaching at least to anterior part of orbit; maxillary barbel very long, exceeding at least the anterior part of dorsal fin and often reaching to adipose fin; caudal-fin lobes marked by a dark band; cranial bones well developed; length of occipital process usually less than 1.4 times its width (Ref. 57126). Description: nasal barbels present; pelvic fins with 1 unbranched and 5 branched soft rays; anal fin with 4-6 unbranched and 7-9 branched soft rays (Ref. 57126). Adipose fin in adults has a stiff spine (Ref. 4967). Coloration: rather uniformly brownish, but often 2 dark bands along body extending unto the caudal-fin lobes (Ref. 57126). |
| Facilidade de identificação |
| Linhas laterais | 1 interrompido: No |
| Escamas na linha lateral | |
| Escamas da linha lateral com poros | |
| Escamas em séries laterais | |
| Fileiras de escamas acima da linha lateral | |
| Fileiras de escamas abaixo da linha lateral | |
| Escamas em torno do pedúnculo caudal | |
| Barbilhões | 8 |
| Fissuras branquiais (tubarões/raias apenas) | |
| Raios branquiais | |
| no membro inferior | 15 - 18 |
| no membro superior | 7 - 10 |
| total | |
| Vértebras | |
| Pré-anal | |
| total |
| Atributos | no striking attributes |
| Número de barbatanas | 1 |
| No. de pínulas | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Total de espinhos | 2 |
| Total de raios moles | 5 - 7 |
| Barbatana adiposa | present |
| Atributos | forked; more or less normal |
| Número de barbatanas | 1 |
| Total de espinhos | 0 |
| Total de raios moles |
| Peitoral | Atributos more or less normal |
| espinhos 1 | |
| Raios moles 9 | |
| Pélvica | Atributos more or less normal |
| posição abdominal behind origin of D1 | |
| espinhos 0 | |
| Raios moles 6 |