Common names from other countries
分類 / Names
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Scombriformes (Mackerels) >
Gempylidae (Snake mackerels)
Etymology: Diplospinus: Greek, diploos = twice + Latin, spina = spine, thorn (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態学
海 底生の漂泳性; 深さの範囲 50 - 1000 m (Ref. 9784). Deep-water; 42°N - 38°S, 180°W - 180°E
Atlantic, Indian and Pacific: in central water masses. Rather rare, but relatively abundant in the northwest and southeast Atlantic and southeast Pacific Ref. 6181).
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm ?, range 16 - ? cm
Max length : 33.0 cm SL オス/雌雄の選別がない; (Ref. 9784); common length : 20.0 cm SL オス/雌雄の選別がない; (Ref. 6181)
背面の脊椎 (合計): 30 - 36; 背鰭 (合計): 35-44; 肛門の骨 2; 臀鰭: 28 - 35; 脊つい: 57 - 64. Body is extremely elongate and compressed. Lower jaw extends anterior to upper jaw with a small conical dermal process. Upper jaw with 3 immovable and 3 or 4 movable fang-like teeth anteriorly. Lateral line situated closer to the ventral profile than the dorsal profile posteriorly. Color is silvery with narrow dark dotted lines along the body; the gill membranes are jet-black.
Oceanic, migrating upward at night to 100 to 200 m (Ref. 6181). Probably forming schools during daytime (Ref. 6181). Feed on crustaceans and small fish (Ref. 6181). Females mature at about 16 cm (Ref. 36731). Eggs and larvae are pelagic (Ref. 6766).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Nakamura, I. and N.V. Parin, 1993. FAO Species Catalogue. Vol. 15. Snake mackerels and cutlassfishes of the world (families Gempylidae and Trichiuridae). An annotated and illustrated catalogue of the snake mackerels, snoeks, escolars, gemfishes, sackfishes, domine, oilfish, cutlassfishes,. scabbardfishes, hairtails, and frostfishes known to date. FAO Fish. Synop. 125(15):136 p. (Ref. 6181)
CITES (Ref. 128078)
Not Evaluated
Human uses
水産業: 食糧水産
より多くの情報
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列Mass conversion
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
115969): 8.7 - 19.2, mean 13.1 (based on 808 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00163 - 0.00807), b=3.10 (2.91 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.5 ±0.52 se; based on food items.
回復力 (Ref.
120179): 手段, 1.4年~4.4年の倍増期間の最小個体群 (Fec=1,200).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).