分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Hemigaleidae (Weasel sharks)
Etymology: Paragaleus: para (Gr.), near, referring to how its dentition is intermediate between Hemigaleus and the triakid Eugaleus (=Galeorhinus) (See ETYFish); leucolomatus: leuco-, from leukos (Gr.), white; lomatos (Gr.), border, referring to prominent white tips and margins of most fins (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 1 - 20 m (Ref. 5578). 亞熱帶的; 26°S - 27°S
Western Indian Ocean: known only from one specimen caught off Kosi Bay, South Africa.
西印度洋: 已知只來自捕捉外海的南非科西灣的一件標本了。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 96.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5485)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 臀棘: 0. A slender weasel shark with a long snout, large eyes, and a moderately long mouth with small serrated upper teeth and erect-cusped lower teeth (Ref. 5578). Dark grey dorsally, white ventrally; prominent white tips on most fins except for 2nd dorsal which is black-tipped (Ref. 5578).
一只细长的鼬鼠鲨鱼有一个长的吻，大的眼, 与一中等长度的嘴部具有小的锯齿状的上颚齿与直立且尖头的下颚齿.(参考文献 5578) 深灰色的背面, 腹侧白色的; 在大多数的鳍上的突出的白色顶端除了第二背鳍是顶端黑色的.(参考文献 5578)
Occurs in shallow coastal waters (Ref. 5578). Viviparous (Ref. 50449).
出现于沿岸浅水区。 (参考文献 5578) 胎生的.(参考文献 50449)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Viviparous with 1 fetus in each uterus (Ref. 5485). Distinct pairing with embrace (Ref. 205).西印度洋: 已知只來自捕捉外海的南非科西灣的一件標本了。
Bass, A.J., P.C. Heemstra and L.J.V. Compagno, 1986. Carcharhinidae. p. 67-87. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 5485)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
渔业: 没有兴趣
工具
特别资料
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5664 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00144 - 0.00875), b=3.07 (2.85 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 4.2 ±0.6 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 非常低的, 最小族群倍增时间超过14 年 (Fec=2).
Fishing Vulnerability (Ref.
59153): High vulnerability (58 of 100).
