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); bemisi: In honor of ichthyologist William E. Bemis, now at Cornell University, “longtime mentor and friend, and a leader in ichthyological research”. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 400 - 1100 m (Ref. 45044), usually 500 - 700 m (Ref. 45044). 深水域
Southwest Pacific: New Zealand.
西南太平洋: 紐西蘭。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 112 cm TL 雄魚/尚未辨別雌雄; (Ref. 45044)
簡短描述
型態特徵 | 形態測量圖
Pale brown coloration fading to white ventrally. Dorsal fin spine reaching to origin of second dorsal fin when depressed; elongated second dorsal fin not indented along its length. Horizontal and hyomandibular lateral line canals sharing a common branch. Caudal filament long and stout (Ref. 45044).
白褐色顏色腹面顏色淡化成白色。 背鰭棘延伸到第二背鰭起點當扁平的; 瘦長的第二背鰭鰭沿著它的長度不是鋸齒狀的。 水平的與 hyomandibular 側線管共用一個分枝。 尾絲長而矮胖的.(參考文獻 45044)
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
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous (Ref. 205).西南太平洋: 紐西蘭。
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)
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Estimates based on models
Preferred temperature (Ref.
123201): 5.4 - 9.5, mean 7.1 °C (based on 125 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00194 - 0.00745), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.9 ±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): High to very high vulnerability (67 of 100).