Main Ref. | Herre, A.W.C.T., 1924 |
Appearance refers to | Male; Female |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
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 | terminal |
Type of scales | cycloid scales |
Diagnosis |
Lateral line complete; 4 1/2 scales between lateral line and dorsal fin origin; four barbels; last simple dorsal ray bony and serrated behind; one large blotch at anterior base of dorsal fin and a round spot in the middle of caudal peduncle. Juveniles and sometimes adults possess 2-4 midlateral round to elongate spots (Ref. 7050). Color in life varies from silvery gray to greenish gray; darker dorsally; paler or nearly white on throat and belly; a bar behind operculum on shoulder; body markings (spots or band) may be absent on large specimens, except spot on caudal base. 8-9 scales from nape to dorsal; 2.5 (rarely 3) scales between ventral and lateral line. 4th dorsal spine serrate. Round, broad-tipped snout equal or a seventh longer than eye (Ref. 2929). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 22 - 27 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 3 - 4.5 |
Scale rows below lateral line | 2.5 - 3 |
Scales around caudal peduncle | 12 - 12 |
Barbels | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 4 - 4 |
Soft-rays total | 8 - 8 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 3 - 3 |
Soft-rays total | 5 - 5 |
Pectoral | Attributes more or less normal |
Spines 1 | |
Soft-rays 14 - 15 | |
Pelvics | Attributes more or less normal |
Position abdominal beneath origin of D1 | |
Spines 1 | |
Soft-rays 8 - 8 |