Main Ref. | Randall, J.E. and T.H. Fraser, 1999 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | none |
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 | |
Diagnosis |
Easily confused with A. trimaculatus but lacks opercle spot (Ref. 48635). Description: Characterized by pale grey body color; narrow brown bar extending to middle of side below first dorsal fin, similar bar under posterior most part of second dorsal fin; middle of caudal fin base with small dark brown spot; anterior edge of first dorsal fin dark brown; pale band below eye, brown-edged; greatest depth of body 2.7-3.1 in SL (Ref. 90102). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | 24 - 24 |
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 | 15 - 17 |
on upper limb | 5 - 6 |
total | 20 - 23 |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 2 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 7 - 7 |
Soft-rays total | 9 - 9 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 2 - 2 |
Soft-rays total | 8 - 8 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 15 - 15 | |
Pelvics | Attributes more or less normal |
Position thoracic before origin of D1 | |
Spines | |
Soft-rays |