分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Holocephali
全頭亞綱 (銀鮫科) (chimaeras) >
Chimaeriformes (Chimaeras)
銀鮫目 (Chimaeras) >
Chimaeridae (Shortnose chimaeras or ratfishes)
短鼻銀鮫科 (Shortnose chimaeras or ratfishes)
Etymology: Hydrolagus: hydro-, combining form of hydor (Gr.), water; lagos (Gr.), hare, i.e., “water rabbit,” probably referring to three pairs of tooth plates, which tend to protrude from the mouth like a rabbit’s incisors (See ETYFish); mirabilis: Latin for wonderful or strange, allusion not explained, possibly referring to its large eyes and/or typically strange chimaeroid appearance (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 450 - 1933 m (Ref. 112530), usually 800 - ? m (Ref. 112530). 深水域; 67°N - 29°S, 98°W - 17°E
Eastern Atlantic: southern coast of Iceland, Faeroe Islands to northern Spain; off Western Sahara, Senegal, and Namibia. Probably more widely distributed in deep water. Western Atlantic: off the Guianas (Ref. 13608).
東大西洋: 冰島的南部海岸, 法羅群島到西班牙北部; 外海的西撒哈拉，塞內加爾與那米比亞。 可能多廣泛分佈於深水域。 西大西洋: 於圭亞那外.(參考文獻 13608)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 38.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 4443); 41.0 cm SL (female)
Moderately common on continental slopes. Feeds on small fishes and invertebrates. Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).
一般常見於大陸斜坡。 吃小魚與無脊椎動物。 卵生的.(參考文獻 205) 卵被包在角狀的外型突起中。 (參考文獻 205)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous (Ref. 205).東大西洋: 冰島的南部海岸, 法羅群島到西班牙北部; 外海的西撒哈拉，塞內加爾與那米比亞。 可能多廣泛分佈於深水域。 西大西洋: 於圭亞那外.(參考文獻 13608)
Krefft, G., 1990. Chimaeridae. p. 111-113. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4443)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 02 September 2019
人類使用
漁業: 商業性
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Estimates based on models
Preferred temperature (Ref.
123201): 4.2 - 11, mean 8.4 °C (based on 66 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00331 (0.00137 - 0.00798), b=3.07 (2.86 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.9 ±0.58 se; based on food items.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Assuming Fec <100).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
Climate Vulnerability (Ref.
125649): Low vulnerability (5 of 100).
Nutrients (Ref.
124155): Calcium = 19.4 [4.9, 65.6] mg/100g; Iron = 0.455 [0.157, 1.126] mg/100g; Protein = 15.9 [10.2, 18.9] %; Omega3 = 0.354 [0.130, 1.011] g/100g; Selenium = 15.5 [4.8, 53.4] μg/100g; VitaminA = 10.5 [2.1, 47.0] μg/100g; Zinc = 0.367 [0.190, 0.726] mg/100g (wet weight);
