Main Ref. | Gosse, J.P. and D. Paugy, 2003 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | no special organs |
Different appearance | males alike females |
Different colors | males alike females |
Remarks |
Striking features | none |
Body shape lateral | short and / or deep |
Cross section | compressed |
Dorsal head profile | clearly concave |
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 |
Diagnosis: body depth 1.8-2.7x and head length 3.0-4.1x SL; caudal peduncle 0.7-1.4x long than deep; short snout, slightly prominent; snout 0.7-1.6x eye diameter; eye diameter 3.7-6.1x head length; adipose-fin base shorter than distance separating it from rayed dorsal fin (ratio adipose base/distance to rayed dorsal is 0.5-0.8); pectoral fins 0.5-1.1x head length; cycloid scales; scale formula 22.5-25.5/77-92/22.5-25.5; 77-92 scales in longitudinal line; 17.5-20.5 scales between lateral line and pelvic fin; 17-21 dorsal fin branched rays; 26-30 anal fin branched rays (Ref. 2938, 81281). Description: eye protected by small adipose eyelid (Ref. 2938, 81281). Coloration: silvery body; pectorals fins and superior lobe of caudal greyish; inferior lobe of caudal fin and anal fin are red; basal part of adipose blackish (Ref. 2938, 81281). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 77 - 92 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 22 - 26 |
Scale rows below lateral line | 22 - 26 |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | first fin ray very elongated |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | 17 - 21 |
Adipose fin | present |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | |
Soft-rays total | 26 - 31 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays | |
Pelvics | Attributes more or less normal |
Position abdominal before origin of D1 | |
Spines | |
Soft-rays |