Ref. principal | Paugy, D., 1990 |
Aparência se refere a | |
Bones in OsteoBase |
órgãos especializados | no special organs |
Aparência diferente | males alike females |
Cores diferentes | males alike females |
Notas |
Características determinantes | none |
Forma lateral do corpo | fusiform / normal |
Seção transversal | compressed |
Perfil dorsal da cabeça | clearly convex |
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 |
Elongated and robust body, its height 3.5-5 times in SL (Ref. 2920). Relatively short head, its length 3.5-5 times in standard length (Ref. 2920, 5156). Dermal bones of cranium deeply carved by large sensory pits (Ref. 1878, 2920). Lips thick; dermal flap on border of gill cover (Ref. 13851). Teeth conical (Ref. 5156). Dorsal and anal fins spineless, elongated and posteriorly positioned, ending close to the small, rounded caudal fin (Ref. 3032, 13851, 28714, 30488). Caudal peduncle very short (Ref. 2756, 3054, 3069). Scales strong, thick, large (Ref. 28714, 30488), oval, with exposed portion thick and corrugated, with a more or less vermiform sculpture (Ref. 53264). 34-40 lateral-line scales, 2.5/6 scales on lateral side of body before pelvic fin, 5-6 scales between dorsal and anal fin (Ref. 367, 2756, 2920, 5156). Lateral line a straight line from above operculum to middle of caudal peduncle (Ref. 1878). Number of gill rakers increases with size: 33 (young) to 98 on ceratobranchial and 21 (young) to 76 on epibranchial (Ref. 2920). Young specimens with external gills (Ref. 30488). Coloration a uniform gray, brown or bronze (Ref. 2920), darker during period of reproduction (Ref. 367). Young specimens often with dark longitudinal bands and scales with an oval spot in posterior zone of anal and dorsal fins (Ref. 2920). |
Facilidade de Identificação |
Linhas laterais | Interrompido(a): No |
Escamas na linha lateral | 34 - 40 |
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 | 0 |
Aberturas branquiais (tubarões/raias apenas) | |
Rastros branquiais | |
no membro inferior | 33 - 98 |
no membro superior | 21 - 76 |
total | |
Vértebras | |
Pré-anal | |
total | 66 - 69 |
Atributos | other |
Número de nadadeiras | 1 |
Nro. de pínulas | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Total de espinhos | 0 - 0 |
Total de raios | 32 - 37 |
Nadadeira adiposa | absent |
Atributos | more or less truncate; more or less normal |
Número de nadadeiras | 1 |
Total de espinhos | 0 - 0 |
Total de raios | 34 - 39 |
Peitoral | Atributos more or less normal |
espinhos 0 | |
raios 11 - 12 | |
Pélvicas | Atributos more or less normal |
Posição abdominal before origin of D1 | |
espinhos 0 | |
raios 6 - 6 |