分類 / Names
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Trachichthyiformes (Roughies) >
Trachichthyidae (Slimeheads)
Etymology: Hoplostethus: Greek, hoplon = weapon + Greek, stetho, stethion = brest; literal = to prick a little breast (Ref. 45335).
More on author: Weber.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 深海魚; 深さの範囲 400 - 914 m (Ref. 26165). Deep-water
Indo-West Pacific: Natal in South Africa, Somalia, the United Arabic Emirates on the Madagascar Ridge (Ref. 9869) to Japan (Jon Moore, pers. comm.) and Indonesia. Southeast Atlantic: off Namibia and Cape Town, South Africa.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm TL オス/雌雄の選別がない; (Ref. 4181)
背面の脊椎 (合計) : 4 - 5; 背鰭 (合計) : 13 - 16; 肛門の骨: 2 - 3; 臀鰭: 8 - 10. Body and head brownish grey; fins dusky to blackish (Ref. 4181).
Found on the continental slope (Ref. 75154). Lives close to the bottom (Ref. 27121).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Heemstra, P.C., 1986. Trachichthyidae. p. 410-413. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4181)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
用具
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 2.3 - 10.5, mean 8 °C (based on 416 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00714 - 0.03859), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 非常に低い, １４年以上の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).
