| 主な参照 | Lévêque, C., 2003 |
| Appearance refers to | |
| Bones in OsteoBase |
| 専門の臓器 | no special organs |
| 異なる出現 | males alike females |
| 異なる色 | males alike females |
| 意見 |
| 目立つ特徴 | striking type of mouth |
| 身体の側面 | elongated |
| 横断面 | |
| 後頭部の側面 | more or less straight |
| 目の種類 | more or less normal |
| 目/鼻の種類 | more or less normal |
| 口の場所 | sub-terminal/inferior |
| Type of scales | cycloid scales |
| 診断 |
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 |
| 側線 | 1 中断された: No |
| 側線ラインの長さ | 34 - 36 |
| Pored lateral line scales | |
| Scales in lateral series | |
| 側線ラインより上の規模 | 4 - 5 |
| 側線ラインより下の規模 | 5 - 6 |
| 側線（尾鰭付近）周囲の規模 | 16 - 16 |
| ひげ | 0 |
| 鰓(サメ/エイのみ) | |
| 鰓篩 | |
| 下部のヒレに | |
| 上部のヒレの上に | |
| 合計 | 42 - 42 |
| 脊つい | |
| 肛門前方の | |
| 合計 |
| 属性 | other |
| 鰭の数 | 1 |
| 小離鰭の数 | Dorsal |
| Ventral | |
| 脊椎の合計 | |
| 全体の鰭 | 12 - 14 |
| 脂びれ | absent |
| 属性 | forked; more or less normal |
| 鰭の数 | 1 |
| 脊椎の合計 | |
| 全体の鰭 | 7 - 7 |
| 胸の | 属性 more or less normal |
| 脊椎 | |
| 鰭 17 - 17 | |
| 骨盤の | 属性 more or less normal |
| 場所 abdominal behind origin of D1 | |
| 脊椎 | |
| 鰭 9 - 9 |