Common names from other countries
Classification / Names / Names
俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋洄游的 (Ref. 75906); 深度上下限 0 - 4600 m (Ref. 116169). ; 90°N - 90°S, 180°W - 180°E
Circumglobal. Tropical and temperate waters.
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 218.0  range ? - ? cm Max length : 260 cm TL 雄魚/尚未辨別雌雄; (Ref. 1394); 最大體重: 156.0 kg (Ref. 1394)
Dorsal cape: muted blue or bluish-gray. Eye to anus flipper stripes: darker blue or bluish-black. Dark stripe subtending the eye-to-anus stripe usually present. Some individuals have distinct subtending stripe from the eye-to-anus stripe at its origin near the eye, while others the two fuse farther behind the eye only to bifurcate further posteriorly.
Inhabits warm waters (Ref. 1394). Feeds on small, mid-water squid and fish, especially lanternfish (Ref. 1394). Preyed upon by the great white shark (Ref. 36856) and blue sharks (Ref. 50255). A warm water species (Ref. 1394). Occasionally occurs in neritic habitats. Abundant in offshore and erratic over the shelf of Bay of Biscay (Ref. 81175). Feeds throughout the water column (Ref. 122680). Feeds on small, mid-water squid and fish, especially lanternfish (Ref. 1394). Although an oceanic species, they make temporary incursions over neritic and coastal habitats to feed. Oceanic prey are from mesopelagic community while neritic prey are mostly epibenthic (Ref. 81175).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Sexual dimorphism: 2 to 3 years. Sexual maturity: between 7 to 15 years, 220 cm mean body length for males; between 5 to 13 years, 212 cm mean body length for females. Gestation: 12 to 13 months. Nursing: up to 1.5 years. Female fecundity decreases at around age 30. Maximum age: estimated at 57.5 years.
主要參考資料
參考文獻 | 合作者 | 合作者
Jefferson, T.A., S. Leatherwood and M.A. Webber. 1993. (Ref. 1394)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 19 April 2018
CITES狀態 (Ref. 108899)
人類使用
漁業: 商業性
FAO - 漁業: landings, 魚種描繪 | FishSource | 周邊海洋
工具
網路資源
Estimates based on models
Preferred temperature
(Ref.
115969): 1.3 - 4.5, mean 1.9 (based on 24291 cells).
瀕危性
Very high vulnerability (84 of 100).
價格種類
Unknown.