分類 / Names
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); willwatchi: In honor of the “hard-working” fishers onboard the Sealord Corporation fishing vessel Will Watch, from which holotype was collected. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態学
海 深海魚; 深さの範囲 89 - 1365 m (Ref. 116312). Tropical; 34°S - 40°S, 41°E - 59°E (Ref. 116312)
Southwestern Indian Ocean: Southwest Indian Ocean Ridge, northern portion of the Madagascar Ridge, and Walters Shoal.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 83.4 cm TL オス/雌雄の選別がない; (Ref. 116312); 97.1 cm TL (female)
This species is collected by midwater and bottom trawls. Maximum length for females is 64.5 cm BDL, 97.1+ cm TL, and for males 51.9 cm BDL, 83.4+ cm TL. The smallest free swimming individual is 11.8 cm BDL, 25.8 cm TL. Females are mature at 51.9 cm BDL, 76.7 cm TL, while males mature at 36.9 cm BDL, 63.8 cm TL (Ref. 116312).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Clerkin, P.J., Ebert, D.A. and J.M. Kemper, 2017. New species of Chimaera (Chondrichthyes: Holocephali: Chimaeriformes: Chimaeridae) from the Southwestern Indian Ocean. Zootaxa 4312(1):1-37. (Ref. 116312)
Human uses
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00118 - 0.00673), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低い, ４．５年～１４年の倍増期間の最小個体群 (Deepwater species with few large eggs.).
Fishing Vulnerability (Ref.
59153): High vulnerability (59 of 100).
