| Main Ref. | Skelton, P.H., 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Description: No barbels present on the small terminal mouth; eye very large (Ref. 13337, 52193, 122753). Dorsal fin with 2 unbranched and 8-9 branched rays; anal fin with 2 unbranched and 5-6 branched rays; anal fin of the adult male elongated, sickle-shaped and can reach the tail (Ref. 13337, 52193). Scales small, 35-38 in lateral series; no lateral line (Ref. 52193). Colouration: Translucent brown to rosy red (breeding males) with a thin line along midbody ending in a spot at base of caudal fin; a black triangle on base of dorsal fin, a black spot on base of anal fin (Ref. 52193). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | 35 - 38 |
| 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 | |
| total |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 0 - 0 |
| Soft-rays total | 10 - 11 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 7 - 8 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position abdominal beneath origin of D1 | |
| Spines | |
| Soft-rays |