主要參考文獻 | Myers, R.F., 1991 |
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 | none |
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 | terminal |
Type of scales | cycloid scales |
鑑別 |
Body elongate and sub cylindrical with small cycloid scales; head long and pointed. Mouth large and horizontal, the tip of the lower jaw protruding; intermaxilla non-protractile. Preoperculum broadly rounded. Lower limb of the first fill arch with spiny tubercles. First dorsal fin origin opposite or before the pectoral tip, the first spine shorter than the second. Color is generally blackish above and silvery below. Description: Characterized further by having 112-123 lateral line scales; absence of gill rakers, spinules on 10-20 tubercles of lower limb; closely spaced teeth, posterior ones in lower jaw angeled backwards; very large eye; depth of body 6.9-7.7 in SL (Ref. 90102). |
鑑定難易度 |
側線 | 1 打斷: No |
側線上的鱗片 | 112 - 133 |
側線上鱗片數 | 112 - 123 |
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 | 0 |
鰓裂 (僅限於鯊魚/ 魟魚) | |
鰓耙 | |
在下肢上 | |
上枝鰓耙 | |
總數 | 0 - 0 |
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 | 6 - 6 |
軟條總數 | 9 - 9 |
脂鰭 | absent |
屬性 | forked; more or less normal |
鰭數 | 1 |
棘總數 | 2 - 2 |
軟條總數 | 9 - 9 |
胸鰭 | 屬性 more or less normal |
脊椎 0 | |
軟條 14 - 15 | |
骨盤的 | 屬性 more or less normal |
位置 abdominal beneath origin of D1 | |
脊椎 1 | |
軟條 5 - 5 |