Main Ref. | Randall, J.E., 2001 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | short and / or deep |
Cross section | compressed |
Dorsal head profile | clearly convex |
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 |
Body very dark gray-brown, depth 1.95-2.1 in SL. Caudal fin abruptly white. Narrow posterior part of dorsal and anal fins hyaline. Base of pectoral fins with a large black spot. Upper and lower spiniform procurrent caudal rays 2; upper and lower 2 branched caudal rays filamentous and often very long. Tube lateral line scales 16-18, rarely 16. Free margin of subopercle nearly reaching a vertical at rear margin of pupil. |
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 - 21 |
on upper limb | 6 - 8 |
total | |
Vertebrae | |
preanal | |
total | 26 - 26 |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | 12 - 12 |
Soft-rays total | 11 - 13 |
Adipose fin |
Attributes | forked; more or less normal |
Fins number | |
Spines total | 2 - 2 |
Soft-rays total | 11 - 12 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays 16 - 18 | |
Pelvics | Attributes more or less normal |
Position thoracic before origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |