Main Ref. | Myers, R.F., 1991 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | fusiform / normal |
Cross section | compressed |
Dorsal head profile | |
Type of eyes | eyes with fixed fatty (adipose) tissue/eyelids |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Description: Head, body, and fins dark olive grey to brown or black dorsally, shading to bluish gray ventrally; median fins and lateral line scutes usually dark brown or black (Ref. 90102, Ref. 13442). Body oblong and compressed, dorsal profile strongly convex anteriorly, ventral profile slightly convex; breast completely scaleless; LL scutes 26-33, strong (Ref. 90102). Upper profile of head steep, the anterior part slightly concave; mouth relatively large, the maxilla nearly reaching center of eye (Ref. 13442). Adipose eyelid moderately developed, small anteriorly extending forward to rear half of pupil on posterior part of eye (Ref. 90102). |
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 | 17 - 22 |
on upper limb | 6 - 8 |
total | 23 - 30 |
Vertebrae | |
preanal | |
total |
Attributes | |
Fins number | 2 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 9 - 9 |
Soft-rays total | 20 - 22 |
Adipose fin | absent |
Attributes |
Fins number | 2 |
Spines total | 3 - 3 |
Soft-rays total | 16 - 19 |
Pectoral | Attributes |
Spines | |
Soft-rays 20 - 22 | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |