| 主要參考文獻。 | De Weirdt, D., A. Getahun, S. Tshibwabwa and G.G. Teugels, 2007 |
| 形態描述的性別 | |
| Bones in OsteoBase |
| 特殊器官 | no special organs |
| 不同的外表 | |
| 不同的顏色 | |
| 附註 |
| 顯著的特徵 | none |
| 側面體型 (shape guide) | |
| 橫切面 | |
| 頭部背面描繪 | more or less straight |
| 眼的類型 | more or less normal |
| 口/吻尖的類型 | more or less normal |
| 口的位置 | sub-terminal/inferior |
| 刻度類型 | |
| 鑑別 |
Diagnosis: strongly curved, crescent-shaped mouth; minute, sometimes almost imperceptible, barbel at either side of mouth; last unbranched dorsal fin ray heavily ossified and inflexible; pelvic fin inserts below middle of dorsal fin; 31 scales in lateral line (Ref. 81639). Description: body depth 24.5-33.3% SL; head length 21.6-28.6% SL; no papillae around mouth but usually with round keratinized tubercles on snout; D: IV,11; A: III,5; scale formula: 4.5-5.5/31/-; 2.5-3.5; 12; 3.5 scales from lateral line to anal fin origin (Ref. 81639). Coloration: alcohol-preserved specimens are uniformly dark brown (Ref. 81639). |
| 鑑定難易度 |
| 側線 | 1 打斷: No |
| 側線上的鱗片 | 31 - 31 |
| 側線上鱗片數 | |
| 側生系列的鱗片 | |
| 側線上的鱗片列 | 4 - 4 |
| 側線下的鱗片列 | |
| 尾梗周圍的鱗片 | 12 - 12 |
| 觸鬚 | 2 |
| 鰓裂 (僅限於鯊魚/ 魟魚) | |
| 鰓耙 | |
| 在下肢上 | |
| 上枝鰓耙 | |
| 總數 | |
| 脊椎骨 | |
| 肛門前 | |
| 總數 |
| 屬性 | no striking attributes |
| 鰭數 | 1 |
| 離鰭號碼 | Dorsal |
| Ventral | |
| 棘總數 | 1 - 1 |
| 軟條總數 | 14 - 14 |
| 脂鰭 | absent |
| 屬性 | forked; more or less normal |
| 鰭數 | 1 |
| 棘總數 | |
| 軟條總數 | 8 - 8 |
| 胸鰭 | 屬性 more or less normal |
| 脊椎 | |
| 軟條 | |
| 骨盤的 | 屬性 more or less normal |
| 位置 abdominal beneath origin of D1 | |
| 脊椎 | |
| 軟條 |