分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Scombriformes (Mackerels)
鱸形目 (Mackerels) >
Icosteidae (Ragfish)
襤魚科 (Ragfish)
Etymology: Icosteus: Greek, eikoo = to sag, to bend something that is soft + Greek, osteon = bone.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海區的; 深度上下限 0 - 1420 m (Ref. 50550), usually 18 - 732 m (Ref. 2850). 深水域; 66°N - 32°N
North Pacific: Japan to southeastern Alaska and to Point Loma, southern California, USA.
北太平洋: 日本到阿拉斯加州東南方與指出 Loma ，美國的南加州。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 213 cm TL 雄魚/尚未辨別雌雄; (Ref. 2850)
背棘 (總數) : 0; 背的軟條 (總數) : 52 - 55; 臀棘: 0; 臀鰭軟條: 34 - 40. Pectorals rounded, pedunculate (Ref. 6885). Generally of a chocolate color (Ref. 6885). Young more robust, with an expanded and rounded caudal fin, 5 pelvic rays, and a brown and yellow irregularly blotched with faint purple color, dusky on fins (Ref. 6885).
胸鰭圓的, 有梗的.(參考文獻 6885) 通常巧克力色顏色.(參考文獻 6885) 幼魚更結實的, 有一個擴大並且圓的尾鰭， 5個腹鰭鰭條, 與一褐色而黃色的不規則地有模糊的紫色顏色大斑點, 暗色的在鰭上.(參考文獻 6885)
Adults occur near bottom; juveniles in shallow water or offshore near the surface (Ref. 50277). Feeds on jellyfish (Ref. 50277), fishes and squids (Ref. 2850), as well as octopuses (Ref. 4525).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北太平洋: 日本到阿拉斯加州東南方與指出 Loma ，美國的南加州。
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
人類使用
漁業:
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Estimates based on models
Preferred temperature (Ref.
123201): 2 - 14.1, mean 6.2 °C (based on 1370 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.5 ±0.57 se; based on food items.
Generation time: 8.5 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (K=0.13; Fec=293,000).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (71 of 100).
