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)
白眼鮫目 (Ground sharks) >
Carcharhinidae (Requiem sharks)
白眼鮫科 (Requiem sharks)
Etymology: Isogomphodon: iso-, from isos (Gr.), equal; gomphos (Gr.), nail; odon (Gr.), tooth, referring to how teeth are equally fastened, i.e., claviform and straight in both jaws (See ETYFish); oxyrhynchus: oxys (Gr.), sharp; rhynchus (L.), snout, referring to its elongated, pointed and narrow snout [authorship often attributed to Müller & Henle, who published Valenciennes’ description] (See ETYFish).
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
海洋; 半咸淡水 居于水底的; 深度上下限 ? - 15 m (Ref. 13608). 熱帶; 12°N - 20°S, 63°W - 34°W (Ref. 244)
Western Atlantic: Trinidad, Guyana, Suriname, French Guiana, and Brazil.
西大西洋: 千里達，蓋亞那，蘇利南，法屬圭亞那與巴西。
Length at first maturity / 大小 / 重量 / 年龄
成熟度: Lm 115.0 range ? - ? cm
Max length : 160 cm TL 雄鱼/尚未辨别雌雄; (Ref. 34266); common length : 100.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5217); 最大年龄: 12 年 (Ref. 34266)
Large number of teeth, great length of very narrow snout. Yellow-gray above and white below (Ref. 6032).
Body shape (shape guide): fusiform / normal.
齿的数目多, 非常狭窄吻的很长。 背面黄灰色而腹面白色的.(参考文献 6032)
An inshore shark found over rocky bottoms, entering estuaries and river mouths. Feeds on small schooling fishes including herring, anchovies and croakers. Viviparous, generally 4 embryos per brood; size at birth 38 to 41 cm. 244 cm record unconfirmed.
一种近岸的鲨鱼发现在岩石底部上面了, 进入河口与河口。 吃包括鲱鱼， 鱼与石首鱼的小的群游性鱼。 胎生的, 通常 4个每窝胚胎; 出生时大小 38 到 41 公分。 244 公分记录未被证实的。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Distinct pairing with embrace (Ref. 205). Viviparous, placental (Ref. 50449).西大西洋: 千里達，蓋亞那，蘇利南，法屬圭亞那與巴西。
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
极度濒危 (CR) (A2bcd); Date assessed: 01 July 2019
人类利用
渔业: 自给性渔业
工具
特别资料
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网络资源
Estimates based on models
Preferred temperature (参考文献
123201): 27 - 27.8, mean 27.5 °C (based on 149 cells).
Phylogenetic diversity index (参考文献
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00229 - 0.01045), b=3.08 (2.91 - 3.25), 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): 4.5 ±0.80 se; based on food items.
Generation time: 10.0 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
回复力 (参考文献
120179): 非常低的, 最小族群倍增时间超过14 年 (K=0.11-0.12; tm=5-7; tmax=12; Fec=4).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (74 of 100).
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Nutrients (Ref.
124155): Calcium = 25.1 [3.3, 144.5] mg/100g; Iron = 0.725 [0.183, 2.103] mg/100g; Protein = 21.1 [18.8, 23.3] %; Omega3 = 0.16 [0.06, 0.40] g/100g; Selenium = 29.2 [7.9, 91.1] μg/100g; VitaminA = 18.4 [5.8, 57.1] μg/100g; Zinc = 0.728 [0.335, 1.386] mg/100g (wet weight);
