主要參考文獻 | Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990 |
形態描述的性別 | |
Bones in OsteoBase |
特殊器官 | |
不同的外表 | |
不同的顏色 | |
附註 |
顯著的特徵 | striking shape of body |
側面體型 | elongated |
橫切面 | oval |
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 |
Type of scales | ctenoid scales |
鑑別 |
Snout pointed; naked area on snout confined to median-ventral strip, otherwise head surfaces completely scaled. Spinules on scales slender, conical to lanceolate, arranged in convergent rows. Color when fresh gray with violet hue on trunk and lower jaw; silvery reflections on gill cover, parts of the suborbital, and trunk and tail below the lateral line; pelvic fins and membrane between spinous dorsal ray and first segmented ray black; pectoral and median fins otherwise dusky; oral and branchial cavities mostly black. |
鑑定難易度 |
側線 | 1 打斷: No |
側線上的鱗片 | |
側線上鱗片數 | |
側生系列的鱗片 | |
側線上的鱗片列 | |
側線下的鱗片列 | |
尾梗周圍的鱗片 | |
觸鬚 | |
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 | 2 |
離鰭號碼 | Dorsal 0 - 0 |
Ventral 0 - 0 | |
棘總數 | 2 - 2 |
軟條總數 | |
脂鰭 | absent |
屬性 |
鰭數 | 1 |
棘總數 | 0 - 0 |
軟條總數 |
胸鰭 | 屬性 more or less normal |
脊椎 0 | |
軟條 17 - 20 | |
骨盤的 | 屬性 more or less normal |
位置 thoracic beneath origin of D1 | |
脊椎 0 | |
軟條 6 - 7 |