主な参照 | Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990 |
Appearance refers to | |
Bones in OsteoBase |
専門の臓器 | |
異なる出現 | |
異なる色 | |
意見 |
目立つ特徴 | striking shape of body |
身体の側面 | elongated |
横断面 | circular |
後頭部の側面 | clearly convex |
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 | ctenoid scales |
診断 |
Body tapering to a point posteriorly from behind the origin of the first dorsal fin. Head large; the eyes also large; the snout relatively short, its antero-lateral margin incompletely supported by bone, its terminal scute broad, blunt. Head ridges strong but not especially spiny; the underside of the snout, the ventral margins on the suborbital and mandible naked. Light organ large, lens-shaped. Overall color swarthy to grayish; the fins dusky to black; the mouth pallid; the gill cavity blackish, paler inwardly (Ref. 1371). A large, black, naked fossa midventrally on chest; anus at origin of the anal fin. Smooth second dorsal spine at all sizes (Ref. 26798). Branchiostegal rays: 6-6 (Ref. 36385). |
Ease of Identification |
側線 | 1 中断された: No |
側線ラインの長さ | |
Pored lateral line scales | |
Scales in lateral series | |
側線ラインより上の規模 | |
側線ラインより下の規模 | |
側線(尾鰭付近)周囲の規模 | |
ひげ | 1 |
鰓(サメ/エイのみ) | |
鰓篩 | |
下部のヒレに | 1 - 2 |
上部のヒレの上に | 8 - 10 |
合計 | 9 - 12 |
脊つい | |
肛門前方の | |
合計 |
属性 | extending over most of the back length |
鰭の数 | 2 |
小離鰭の数 | Dorsal 0 - 0 |
Ventral 0 - 0 | |
脊椎の合計 | 2 - 2 |
全体の鰭 | 7 - 9 |
脂びれ | absent |
属性 | pointed; confluent |
鰭の数 | 1 |
脊椎の合計 | 0 - 0 |
全体の鰭 |
胸の | 属性 more or less normal |
脊椎 0 | |
鰭 17 - 20 | |
骨盤の | 属性 more or less normal |
場所 thoracic before origin of D1 | |
脊椎 0 | |
鰭 7 - 7 |