Ref. principal | Anderson, W.D. Jr. and G.R. Allen, 2001 |
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 | ctenoid scales |
Diagnose |
This species is distinguished by the following characters: body relatively deep and laterally compressed, greatest body depth 2.2-2.4 in SL; dorsal profile of head convex in adults, in oblique straight line in young; maxilla without scales or longitudinal ridges; preopercle with a deep notch (or gash) receiving elongate interopercular spine (none for individuals less than 16 cm SL); gill rakers of first gill arch 26-38 + 60-71 = 89-107; soft rays of dorsal fin usually 14, in anal fin 11, in pectoral fin 17; continuous dorsal fin with spinous portion distinctly notched in young; dorsal and anal fins distinctly pointed posteriorly, the soft ray of both fins, shorter than next to last ray; caudal fin rounded with middle rays elongated in small juveniles, slightly notched at intermediate sizes and emarginate in adults; pelvic fins short and rounded for all sizes; soft dorsal and anal fins with scales basally; tubed lateral-line scales 50-55; juveniles with very long pelvic fins. Colour of adults silvery grey, strongly blotched with blackish patches, lacks yellow on head and body and without blue markings on head and body, much duller iris; juveniles with black and white pattern but broader white area encompassing posterior head and adjacent body and with less than 5 white spots on back (Ref 9821, 90102). |
Facilidade de Identificação |
Linhas laterais | 1 Interrompido(a): No |
Escamas na linha lateral | 50 - 56 |
Escamas da linha lateral com poros | 49 - 58 |
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) | absent |
Rastros branquiais | |
no membro inferior | 60 - 71 |
no membro superior | 26 - 38 |
total | 89 - 107 |
Vértebras | |
Pré-anal | |
total |
Atributos | no striking attributes |
Número de nadadeiras | 1 |
Nro. de pínulas | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Total de espinhos | 10 - 10 |
Total de raios | 13 - 15 |
Nadadeira adiposa | absent |
Atributos | forked; more or less normal |
Número de nadadeiras | 1 |
Total de espinhos | 3 - 3 |
Total de raios | 10 - 11 |
Peitoral | Atributos more or less normal |
espinhos 0 | |
raios 16 - 18 | |
Pélvicas | Atributos more or less normal |
Posição thoracic before origin of D1 | |
espinhos | |
raios |