| Main Ref. | Lévêque, C., 2003 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | no special organs |
| Different appearance | males alike females |
| Different colors | males alike females |
| Remarks |
| Striking features | striking type of mouth |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | more or less straight |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | sub-terminal/inferior |
| Type of scales | cycloid scales |
| Diagnosis |
Diagnosis: body very elongate; back nearly straight from head to caudal fin, a feature unique for this species; body depth 1.8-2.0x SL; depth of caudal peduncle 0.8-1.1x its length; 42 (50-150mm) gill rakers; scale formula 4.5-5/34-36/5.5-6; 2.5-3 scales between lateral line and pelvic-fin base; 16 scales around caudal peduncle; 9-10 dorsal fin branched rays; known from Eastern Liberia and Western Côte d’Ivoire (Ref. 2940, 81282). Description: inner surface of lips with transverse folds; caudal peduncle deeper than long; distal margin of dorsal fin straight; D:III-IV,9-10; A:II,5; P:I,16; V:I,8 (Ref. 2940, 81282). Coloration: general appearance brownish on back and sides, yellowish on belly; fins greyish or blackish (Ref. 2940, 81282). |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | 34 - 36 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 4 - 5 |
| Scale rows below lateral line | 5 - 6 |
| Scales around caudal peduncle | 16 - 16 |
| Barbels | 0 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | 42 - 42 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | other |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 12 - 14 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | |
| Soft-rays total | 7 - 7 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 17 - 17 | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays 9 - 9 |