Main Ref. | Bauchot, M.L., 2003 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | other |
Different appearance | |
Different colors | |
Remarks |
Striking features | none |
Body shape lateral | fusiform / normal |
Cross section | compressed |
Dorsal head profile | more or less straight |
Type of eyes | more or less normal |
Type of mouth/snout | more or less normal |
Position of mouth | superior |
Type of scales | cycloid scales |
diagnosa |
Diagnosis: It is characterized by the anterior position of pelvic fin insertions in relation to dorsal-fin origin, and by some morphometric counts: 13-16 dorsal-fin rays, 40-48 lateral-line scales and 53-57 vertebrae (Ref. 2845, 81266). Description: Body moderately deep, rather strongly compressed (Ref. 3234, 4639). Head moderately short and deep with dorsal outline nearly straight and horizontal; snout considerably shorter than eye in small specimens, becoming equal and longer than eye during growth; eye 3,3-4,7 times in head (Ref. 3234). Mouth oblique, lower jaw prominent, with a gular plate visible ventrally between its two branches (Ref. 2845, 81266). Gillrakers rather long and slender, scarcely denticulate (Ref. 3234). Fins spineless; dorsal fin short-based, inserted at midlength of body, its last ray filamentous; anal-fin base much longer, its origin placed rearwards in relation to dorsal fin end; pectoral fins set very low on body; pelvic fins inserted in advance of dorsal-fin origin; caudal fin deeply forked (Ref. 2845, 3234, 26938, 81266). Scales large, cycloid, those in lateral line numbering 40-48 and ornamented with branched tubes (Ref. 2845, 81266). Colouration: Back bluish-grey, sides brilliant silvery (Ref. 2845, 3234, 81266). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 40 - 48 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | 36 - 40 |
on upper limb | 19 - 22 |
Keseluruhan (total) | |
vertebrata, bertulang belakang | |
preanal | |
Keseluruhan (total) | 53 - 57 |
Attributes | last fin rays very elongated |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 0 - 0 |
Soft-rays total | 13 - 16 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 22 - 25 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 13 - 14 | |
Pelvics | Attributes more or less normal |
Position abdominal before origin of D1 | |
Spines 0 | |
Soft-rays 10 - 10 |