Main Ref. | Collette, B.B., 1999 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Prolonged, beak-like lower jaw, shorter than head length, its length contained in 4.7-8.6 times in SL and 1.2-2.0 times in head length; upper jaw short, scaly, blunt and rounded, its width contained in 0.5-0.6 times in its length; preorbital bone 1.75-2.15 times in diameter of orbit and 0.9-1.15 times in length of upper jaw; preorbital ridge present; posterior branch to preorbital lateral line canal present. Total number of gill rakers on first arch 26-39; dorsal fin rays 14-17, usually 16; anal fin rays 13-17, usually 15 or 16. Caudal fin forked, with lower lobe longer than upper. |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | 18 - 25 |
on upper limb | 6 - 14 |
total | 26 - 39 |
Vertebrae | |
preanal | 34 - 39 |
total | 51 - 56 |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 0 - 0 |
Soft-rays total | 14 - 17 |
Adipose fin |
Attributes |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 13 - 17 |
Pectoral | Attributes |
Spines 0 | |
Soft-rays 11 - 13 | |
Pelvics | Attributes |
Position | |
Spines 0 | |
Soft-rays |