Referencia principal | Smith-Vaniz, W.F., 1999 |
El aspecto se refiere a | macho; hembra |
Bones in OsteoBase |
órganos especializados | |
diverso aspecto | |
diversos colores | different colors during breeding season only |
Observaciones | Courtship sometimes observed (usually at dusk) with pairs swimming together, the male assuming black color (Ref. 90102). |
Características llamativas | |
Forma lateral del cuerpo | fusiform / normal |
Sección transversal | compressed |
Perfil dorsal de la cabeza | more or less straight |
Tipo de ojos | eyes with fixed fatty (adipose) tissue/eyelids |
Tipo de boca/hocico | more or less normal |
Posición de la boca | terminal |
Type of scales | cycloid scales |
Diagnosis |
This species is distinguished by the following characters: dorsal profile moderately convex anteriorly; adipose eyelid well developed, moderate anteriorly, posterior eyelid extends onto eye to rear border of pupil; gill rakers (including rudiments) 6-8 + 15-19 = 21-25; straight part of lateral line with 0-3 anterior scales followed by 27-36 strong, dark scutes; breast completely scaly; vertebrae 10+15; upper jaw with outer row of strong canines widely spaced in adults, and an inner band of small villiform teeth, widest at symphysis; on lower limb of first gill arch jaw with a single row of strong conical teeth widely spaced in adults. Colour in life with adults' head and body silvery olive to iridescent blue-green above, silvery olive to whitish below; small blackish spot, much smaller than pupil diameter, at upper angle of opercle (this spot evident on specimens of about 14 cm fork length); second dorsal fin olive to blackish, the lobe with a white tip (white tip becomes more obvious with increasing size) (Ref. 9894). Description: Anal and caudal fins yellowish to black; body oblong and compressed; ventral profile slightly convex; pectoral fins falcate; anal fin with 2 detached spines (Ref. 2334, 90102). |
Facilidad de identificación |
Líneas laterales | 1 interrumpido: No |
Escalas en la línea lateral | 0 - 3 |
Escalas de la línea lateral con poros | |
Escalas en las series laterales | |
Filas de escalas sobre la línea lateral | |
Filas de escalas debajo de la línea lateral | |
Escalas alrededor del peduncule caudal | |
Barbillas | 0 |
Hendiduras branquiales (solamente tiburones/rayas) | |
Branquispinas | |
en el miembro inferior | 15 - 19 |
en el miembro superior | 6 - 8 |
total | 21 - 27 |
Vértebra | |
preanal | 10 - 10 |
total | 25 - 25 |
Cualidades | no striking attributes |
Número de las aletas | 2 |
número de pínnulas | Dorsal |
Ventral | |
total de espinas | 9 - 9 |
Total de rayos suaves | 19 - 22 |
Aleta adiposa | absent |
Cualidades | forked; more or less normal |
Número de las aletas | 2 |
total de espinas | 3 - 3 |
Total de rayos suaves | 14 - 17 |
Pectoral | Cualidades more or less normal |
espinas | |
Rayos-suaves | |
Pélvicas | Cualidades more or less normal |
posición thoracic before origin of D1 | |
espinas | |
Rayos-suaves |