分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Holocephali
全头亚纲 (银鲛科) (chimaeras) >
Chimaeriformes (Chimaeras) >
Chimaeridae (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); africanus: -anus (L.), belonging to: Africa, described from deep water off the KwaZulu-Natal South Coast of South Africa (See ETYFish).
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 深海底的; 深度上下限 421 - 750 m (Ref. 3181). 深水域
Western Indian Ocean: off Kenya, Mozambique and Natal, South Africa.
西印度洋: 肯亞外海,莫三比克與南非的納塔爾。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 67.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3181)
背棘 (总数) : 1; 臀棘: 0; 臀鳍软条: 0. A shortnose chimaera with the dorsal fin spine longer than the head; 2nd dorsal fin with distinct concavity in the middle (Ref. 5578).
Body shape (shape guide): elongated.
一个短鼻的银鲛,背鳍棘比头部长; 在中央中第二背鳍鳍有明显的凹洼。 (参考文献 5578)
Feeds on ophiuroids (Ref. 27637). Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).
吃阳燧足。 (参考文献 27637) 卵生的.(参考文献 205) 卵被包在角状的外型突起中。 (参考文献 205)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Oviparous (Ref. 205).西印度洋: 肯亞外海,莫三比克與南非的納塔爾。
Compagno, L.J.V., 1986. Chimaeridae. p. 144-145. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3181)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 没有兴趣
工具
特别资料
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献 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). |
营养阶层 (参考文献 69278) |
4.1 ±0.60 se; based on food items. |
回复力 (参考文献 120179) |
低的, 最小族群倍增时间4.5 - 14 年 (Assuming Fec <100). |
渔业脆弱性 (Ref. 59153) |
Moderate to high vulnerability (55 of 100). 🛈 |