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); alberti: In honor of Norwegian-born American oceanographer Albert E. Parr (1901‒1991), editor of the authors’ “Fishes of the Western North Atlantic” monographs, for his many contributions to ichthyology. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 570 - 1470 m (Ref. 4443). 深水域; 25°N - 21°N
Eastern Atlantic: Western Sahara and northern Mauritania. Western Atlantic: off Florida, USA (Ref. 4443) and off Suriname (Ref. 13608).
東大西洋: 西撒哈拉與茅利塔尼亞北部。 西大西洋: 外海的美國佛羅里達 (參考文獻 4443) 與外海的蘇利南.(參考文獻 13608)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 54.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 4443)
Long caudal filament. Shorter dorsal spine, longer pectorals and a wavy lateral line. Dark brownish on head and body, fins much darker (Ref. 6902).
長的尾絲。 較短的背棘, 較長的胸鰭與一個波浪狀的側線。 深褐色的在頭部與身體上, 鰭非常深色的.(參考文獻 6902)
Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).
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
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Oviparous (Ref. 205).東大西洋: 西撒哈拉與茅利塔尼亞北部。 西大西洋: 外海的美國佛羅里達 (參考文獻 4443) 與外海的蘇利南.(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)
無危 (LC) ; Date assessed: 02 September 2019
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Estimates based on models
Preferred temperature (Ref.
123201): 5.2 - 10.4, mean 6.6 °C (based on 25 cells).
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).
營養階層 (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
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 to high vulnerability (46 of 100).
