分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
全頭亜鋼 (chimaeras) >
Chimaeriformes (Chimaeras) >
Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Chimaera: Named for the mythological creature composed of parts of multiple animals, referring to their odd mix of characteristics (See ETYFish); lignaria: Latin for of or belonging to wood, referring to Kevin J. Dagit, woodworker, carpenter and “supporter of research on chimaeroid fishes in his spare time” (Sharks: An Eponym Dictionary identifies Dagit [misspelled Dadit] as Didier’s son; he was, in f (See ETYFish).
Eponymy: Kevin J Dagit was, at the time of the description, the describer’s husband. [...] (Ref. 128868), visit book page.
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 400 - 1800 m (Ref. 45044), usually 800 - 1800 m (Ref. 45044). Deep-water
Pacific: New Zealand and Tasmania. Commonly collected from the fishing grounds of the Tasman Rise, Hikurangi Trough, Challenger Plateau, and Lord Howe Rise.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 100.0  range ? - ? cm
Max length : 142 cm TL オス/雌雄の選別がない; (Ref. 45044)
簡単な記述
検索表 | 形態学 | 形態計測学
Purplish color. Massive head with blunt snout. Preopercular and oral lateral line canals sharing a common branch. Males with bifurcated claspers, divided for the distal 1/3 of length, purple at the base with white fleshy tips. Skin firm and not deciduous.
Body shape (shape guide): elongated.
Males and females reach sexual maturity at 60-70 cm BDL (usually 100 cm TL) (Ref. 45044). Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Didier, D.A., 2002. Two new species of chimaeroid fishes from the southwestern Pacific Ocean (Holocephali, Chimaeridae). Ichthyol. Res. 49(4):299-306. (Ref. 45044)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00331 (0.00137 - 0.00798), b=3.07 (2.87 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.7 ±0.6 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 (Assuming fecundity<100). |
漁業の脆弱性 (Ref. 59153) |
Very high vulnerability (81 of 100). 🛈 |