Main Ref. | Hart, J.L., 1973 |
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 |
Caudal rounded but not clearly distinguished from dorsal and anal fins; pectorals large; pelvic fins much reduced (Ref. 6885). Brown to blue black on back and sides, lighter ventrally; white on scale pockets; dark above base of pectoral fins; black along anterior border of dorsal fin, on posterior parts of dorsal and anal fins, and on caudal; light margins on pectoral fins (Ref. 6885). |
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 | |
on upper limb | |
total | 16 - 17 |
Vertebrae | |
preanal | |
total |
Attributes | continuous with caudal fin |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 0 - 0 |
Soft-rays total | 105 - 108 |
Adipose fin | absent |
Attributes | other (see remark); confluent |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 89 - 93 |
Pectoral | Attributes very large , lobe-like |
Spines 0 | |
Soft-rays 18 - 21 | |
Pelvics | Attributes aberrant |
Position thoracic before origin of D1 | |
Spines 0 | |
Soft-rays 3 - 3 |