Diagnostic Description
provided by Fishbase
Tip of pelvic fin not reaching origin of anal fin (Ref. 13608).
- Recorder
- Cristina V. Garilao
Morphology
provided by Fishbase
Dorsal spines (total): 0; Dorsal soft rays (total): 24 - 26; Analspines: 0; Analsoft rays: 18 - 21
- Recorder
- Cristina V. Garilao
Biology
provided by Fishbase
Mesopelagic. Young near the surface while aged adults often descend below 1,000 m depth (Ref. 2683). Largest adults may be benthopelagic (Ref. 9851). Plankton-eaters like the other members of the family (Ref. 6744). Breed all year round (Ref. 6744). Minimum depth range taken from Ref. 27000.
Importance
provided by Fishbase
fisheries: of potential interest
分布
provided by The Fish Database of Taiwan
分布於世界各熱帶深水海域。臺灣分布於南部及東沙海域。
利用
provided by The Fish Database of Taiwan
罕見之魚種,除學術研究外,無經濟價值。
描述
provided by The Fish Database of Taiwan
體呈卵圓形,高而側扁,背緣弧度稍大,腹緣幾平直。頭中大。吻短。眼大。口大而斜,上頜前立約呈瘤突狀,下頜於縫合部具明顯之骨瘤突起;兩頜齒小而尖細,在前端呈窄齒帶;鋤骨及腭骨無齒。鰓耙細長,第一鰓弓鰓耙數4-5
+ 9-11 =13-16。體被櫛鱗,無側線;肛門與臀鰭起點間具 10-12
個稜鱗。背鰭單一,無硬棘,具軟條24-26(通常為25),鰭條基部不具小棘,鰭膜基部具通孔;臀鰭基底略短於背鰭,具軟條18-21,鰭條基部亦不具小棘;胸鰭略長;尾鰭深叉。體一致呈藍黑色。各鰭稍淡色。
棲地
provided by The Fish Database of Taiwan
幼魚為上層魚類,成魚則為中、底層魚類,棲息深度在0-1,880公尺間,一般在500-1,000公尺間。生態習性不甚清楚,可能以浮游性生物為食。