Ref. principal | Collette, B.B., 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 | 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 | |
Diagnose |
This species is distinguished by the following characters: body moderately short and deep, strongly compressed; mouth moderately large with upper jaw reaching to hind margin of eye; 2 tooth patches on upper surface of tongue; 13-22 large, conical teeth on upper jaw, 10-17 on lower jaw; 12-15 total gill rakers on first gill arch; l28-33 laminae of olfactory rosette; interorbital width 23.9 to 31% of head length; D1 XVI-XVIII,17-19, dorsal fins close together, the first high anteriorly, soft rays followed by 8-10 finlets; A 15-17 followed by 6-7 finlets; pectoral fins short with 22-24 rays; interpelvic process small and bifid; body mostly naked behind the well-developed corselet except for a band of scales along bases of dorsal and anal fins and patches of scales around bases of the pectoral and pelvic fins; caudal peduncle slender, with a well-developed lateral keel between 2 smaller keels on each side; no swimbladder, spleen not visible in ventral view, concealed under liver; liver with an elongate right lobe and a short left lobe which tends to fuse with the middle lobe; vertebrae 22-24 + 23-26 = 47-48. Colour of belly light with several stripes reminiscent of those of the skipjack tuna, Katsuwonus pelamis; back deep blue covered with elongate black spots; first dorsal fin jet black anteriorly, white in the few last posterior membranes; anal and second dorsal fins yellow (Ref. 9684). |
Facilidade de Identificação |
Linhas laterais | 1 Interrompido(a): 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 | 0 |
Aberturas branquiais (tubarões/raias apenas) | absent |
Rastros branquiais | |
no membro inferior | |
no membro superior | |
total | 12 - 15 |
Vértebras | |
Pré-anal | 22 - 24 |
total | 47 - 48 |
Atributos | no striking attributes |
Número de nadadeiras | 2 |
Nro. de pínulas | Dorsal 8 - 10 |
Ventral 6 - 7 | |
Total de espinhos | 16 - 18 |
Total de raios | 17 - 19 |
Nadadeira adiposa | absent |
Atributos | forked; more or less normal |
Número de nadadeiras | 1 |
Total de espinhos | 0 - 0 |
Total de raios | 15 - 17 |
Peitoral | Atributos more or less normal |
espinhos | |
raios 22 - 24 | |
Pélvicas | Atributos more or less normal |
Posição thoracic behind origin of D1 | |
espinhos | |
raios |