Main Ref. | Gosse, J.P., E.J. Coenen and G.G. Teugels, 2003 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | no special organs |
Different appearance | |
Different colors | different colors in juveniles and adults |
Remarks | Juveniles with round or vertically elongated spots irregularly scattered on sides and with orange spot on chin (Ref. 2936, 86396). |
Striking features | none |
Body shape lateral | short and / or deep |
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 | ctenoid scales |
Diagnosis |
Diagnosis: mouth terminal; body depth 2.2-3.6x and head length 3.2-4.7x SL; caudal peduncle 0.7-0.9x longer than wide; eye diameter 3.6 (juveniles)-6.7x head length; scale formula 17.5-20.5/84-97/22.5-26.5; 18-20 scales between lateral line and pelvic-fin bases; 13-16 anal fin branched rays; 19-24 dorsal fin branched rays; juveniles with numerous spots on sides (Ref. 2936, 86396). Description: snout rounded; each jaw with 2 rows of teeth; scaly, forked caudal fin with round lobes (Ref. 2936, 86396). Coloration: gray body, dark back and sides, lighter to whitish belly; eye reddish; black inter-radial membranes of dorsal fin forming irregularly aligned patterns, not as well aligned as in D. rostratus; juveniles with round or vertically elongated spots irregularly scattered on sides and with orange spot on chin (Ref. 2936, 86396). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 84 - 97 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 17 - 21 |
Scale rows below lateral line | 22 - 27 |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | 11 - 14 |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | |
Adipose fin | present |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | |
Soft-rays total |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays | |
Pelvics | Attributes more or less normal |
Position abdominal behind origin of D1 | |
Spines | |
Soft-rays |