| Main Ref. | Chakrabarty, P. and J.S. Sparks, 2007 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
This species in distinguished from its congeners by the following characters: a conspicuously deep lower jaw with a strongly concave profile, sharply pointed ventrally (vs. slightly concave or straight lower jaw profile); black dorsal-fin marking is restricted to the anterior edge of the fin, with some scattered melanophores in the dorsal-fin membrane (vs. a large blotch over a larger area on the dorsal fin or an no markings) (Ref. 75067). |
| 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 | |
| Vertebrae | |
| preanal | 10 - 10 |
| total | 23 - 23 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 8 - 8 |
| Soft-rays total | 16 - 16 |
| Adipose fin |
| Attributes | forked |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 14 - 14 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |