Migration
provided by Fishbase
Oceanodromous. Migrating within oceans typically between spawning and different feeding areas, as tunas do. Migrations should be cyclical and predictable and cover more than 100 km.
Morphology
provided by Fishbase
Dorsal spines (total): 0; Dorsal soft rays (total): 10 - 11; Analspines: 0; Analsoft rays: 8 - 10
- Recorder
- Cristina V. Garilao
Biology
provided by Fishbase
Usually found in neritic surface waters (Ref. 9839), rare in the open ocean (Ref. 30573). Capable of leaping out of the water and gliding above the surface (Ref. 30573).
Importance
provided by Fishbase
fisheries: minor commercial; price category: medium; price reliability: very questionable: based on ex-vessel price for species in this family
分布
provided by The Fish Database of Taiwan
主要分布於印度-太平洋區,西起非洲東岸,東至日本,以及帛琉及斐濟等水域。臺灣分布於東南部水域。
利用
provided by The Fish Database of Taiwan
臺灣較少見,並非重要之食用魚。
描述
provided by The Fish Database of Taiwan
體延長,略側扁。吻鈍短。口開於前端,上下頜約略等長;兩頜有齒,齒細小。鼻孔兩對,大形,近於眼前。鰓裂寬,鰓膜在喉峽部游離;鰓耙數8
+ 22 =
30。鰾大,向後延長;腸簡單,無幽門及盲囊。體被圓鱗,大而薄,易脫落;頭部多少被鱗;側線甚低,近腹緣,在胸部不分枝,具鱗46-51;背前鱗25-29;側線上鱗7-8。背鰭無棘,位於體之後部,具軟條10-11,鰭膜上無黑色斑;臀鰭起點在背鰭第3-4軟條基底之下方,具軟條10-11;胸鰭末端達背鰭後部基底,第1-3鰭條不分歧,呈暗色,另於未緣及鰭下緣具淡色域;腹鰭長,末端達臀鰭基底,其基底位於鰓蓋後緣至尾鰭下葉起點之間距的中點,呈灰色;尾鰭發達,深開叉,下葉較長。脊椎骨數43-44。幼魚無鬚。
棲地
provided by The Fish Database of Taiwan
大洋洄游性魚種,生活於近海或淺海域之表水層,偶而游動於開放水域。受驚嚇時會利用其特化的胸鰭躍出水面作長距離的滑翔。主要以橈腳類及端腳類等浮游生物為食。所產的卵團具有黏絲,可附著於漂游物或底棲海藻上。