Ref. principal | Lévêque, C., 2003 |
Aparência refere-se a | |
Bones in OsteoBase |
órgãos especializados | no special organs |
aparência diferente | males alike females |
cores diferentes | different colors in juveniles and adults |
Notas |
Características determinantes | none |
Forma lateral do corpo | fusiform / normal |
Secção transversal | |
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 |
Type of scales | cycloid scales |
Diagnose |
Diagnosis: last simple dorsal-fin ray denticulate on hind margin; gape of mouth not extending beyond vertical line from anterior eye margin; scale formula 3.5-4.5/25-28/3.5-4.5; 2.5-3 scales between lateral line and pelvic-fin base; 12 scales around caudal peduncle; 7-8 branched dorsal fin rays; anterior barbel not extending beyond centre of eye/reaching to, or extending beyond, posterior half of eye; posterior barbel extending beyond hind margin of eye; lateral line complete and straight to slightly depressed below dorsal fin; maximum reported size 117 mm SL (Ref. 2940, 81282). Description: medium-sized with arched dorsal profile; mouth terminal, its angle not extending beyond a vertical line from anterior eye margin; two pairs of well-developed barbels; dorsal fin rather short, its outer margin straight, last simple dorsal-fin ray partly ossified, with series of denticulations on hind margin; gill rakers short; D:III,7(8); A:III,5; P:14-16; V:I,7 (Ref. 2940, 81282) Coloration: back brown, belly yellowish; sides with black spots, very distinct in juveniles, but fading in large fish; usually 5-7 rounded, well aligned spots, first few above, last ones on lateral line; spot located at end of caudal peduncle being most distinct; small spots on middle of back and in front and below dorsal fin; fins colorless (Ref. 2940, 81282). |
Facilidade de identificação |
Linhas laterais | 1 interrompido: No |
Escamas na linha lateral | 25 - 28 |
Escamas da linha lateral com poros | |
Escamas em séries laterais | |
Fileiras de escamas acima da linha lateral | 3 - 5 |
Fileiras de escamas abaixo da linha lateral | 3 - 5 |
Escamas em torno do pedúnculo caudal | 12 - 12 |
Barbilhões | 4 |
Fissuras branquiais (tubarões/raias apenas) | |
Raios branquiais | |
no membro inferior | 2 - 3 |
no membro superior | 4 - 5 |
total | |
Vértebras | |
Pré-anal | |
total |
Atributos | no striking attributes |
Número de barbatanas | 1 |
No. de pínulas | Dorsal |
Ventral | |
Total de espinhos | |
Total de raios moles | 10 - 11 |
Barbatana adiposa | absent |
Atributos | forked; more or less normal |
Número de barbatanas | 1 |
Total de espinhos | |
Total de raios moles | 8 - 8 |
Peitoral | Atributos more or less normal |
espinhos 0 | |
Raios moles 14 - 16 | |
Pélvica | Atributos more or less normal |
posição abdominal beneath origin of D1 | |
espinhos | |
Raios moles 8 - 8 |