分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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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); ravurictus: Named for the pale buccal cavity of this species, which contrasts with the black lining of the mouth found in most other species of the subgenus Hoplostethus
(Hoplostethus).
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 深海魚; 深さの範囲 250 - 1000 m (Ref. 83593), usually ? - 400 m (Ref. 83593). Tropical; 10°S - 20°S (Ref. 83593)
Eastern Indian Ocean: Western Australia.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 14.1 cm SL オス/雌雄の選別がない; (Ref. 83593)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 5 - 7; 背鰭 (合計) : 13 - 14; 肛門の骨: 3; 臀鰭: 8 - 10. This species is characterized by the following: 15, rarely 13, 14 or 16 pectoral-fin rays; 13-16, rarely 10-12 and 17-20 abdominal scutes, some scutes in large individuals with multiple apical points; isthmus with small spinoid scales; rectangular body, depth distinctly shorter than length, 1.9-2.0 in SL; nape almost straight, forehead turning abruptly downward above upper lip; body silvery in life, buccal cavity and opercular recess pale to slightly dusky (Ref. 83593).
Body shape (shape guide): short and / or deep.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Gomon, M.F., 2008. A new species of the roughy genus Hoplostethus (Trachichthyidae) off Northwestern Australia. Mem. Mus. Vict. 65:189-194. (Ref. 83593)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
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モデルに基づく推定値
好ましい温度 (参照
123201): 9.2 - 11.4, mean 9.9 °C (based on 6 cells).
系統多様性指数 (参照
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00717 - 0.03842), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
回復力 (参照
120179): 低い, 4.5年~14年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
漁業の脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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