Carcharhinus isodon (Valenciennes, 1839)
Finetooth shark
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Carcharhinus isodon AquaMaps Data sources: GBIF OBIS |
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Carcharhinus isodon
图片提供人 Christie, B.L.
照片 | 谷歌图片
图片提供人 Christie, B.L.
分类 / 名称 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: Carcharhinus: karcharos (Gr.), sharp or jagged; rhinus, an ancient name for sharks, from rhine (Gr.), rasp, both words alluding to a shark's jagged, rasp-like skin (See ETYFish); isodon: iso-, from isos (Gr.), equal; odon (Gr.), tooth, allusion not explained, perhaps referring to how its teeth are similar in shape and size in both jaws [authorship often attributed to Müller & Henle, who published Valenciennes’ description] (See ETYFish).
Etymology: Carcharhinus: karcharos (Gr.), sharp or jagged; rhinus, an ancient name for sharks, from rhine (Gr.), rasp, both words alluding to a shark's jagged, rasp-like skin (See ETYFish); isodon: iso-, from isos (Gr.), equal; odon (Gr.), tooth, allusion not explained, perhaps referring to how its teeth are similar in shape and size in both jaws [authorship often attributed to Müller & Henle, who published Valenciennes’ description] (See ETYFish).
环境：氛围 / 气候带 / 深度上下限 / 分布范围 生态学
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Western Atlantic: North Carolina, USA to Cuba, the Gulf of Mexico, and southern Brazil to Uruguay (Ref. 58839). Occurrence in the eastern Atlantic, specifically in Senegal and Guinea-Bissau, have not been confirmed and may be based on Carcharhinus brevipinna (Ref. 244, 127434).
西大西洋: 美國北卡羅萊那州到古巴，墨西哥灣與巴西南部。 在東大西洋中的發生, 特別的在塞內加爾與幾內亞比索沒有被確認, 而且可能是以 薔薇白眼鮫〔Carcharhinus brevipinna〕 為依據。
西大西洋: 美國北卡羅萊那州到古巴，墨西哥灣與巴西南部。 在東大西洋中的發生, 特別的在塞內加爾與幾內亞比索沒有被確認, 而且可能是以 薔薇白眼鮫〔Carcharhinus brevipinna〕 為依據。
首次成熟时的长度 / 大小 / 重量 / 年龄
Commonly found close inshore. Forms large schools. Feeds on small bony fishes and cephalopods. Viviparous (with a yolk-sac placenta), 1 to 6 young per litter. Size at birth 51 to 64 cm. Presumably eaten fresh and dried salted.
普遍地栖息于近岸。 形成大群鱼群。 吃小的硬骨鱼类与头足类动物。 胎生的 (具有一个卵黄囊胎盘), 每胎的 1 到 6个幼鱼。 出生时的大小 51 到 64 公分。 推测为被生鲜食用与乾燥盐腌。
普遍地栖息于近岸。 形成大群鱼群。 吃小的硬骨鱼类与头足类动物。 胎生的 (具有一个卵黄囊胎盘), 每胎的 1 到 6个幼鱼。 出生时的大小 51 到 64 公分。 推测为被生鲜食用与乾燥盐腌。
生命周期和交配行为 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: 美國北卡羅萊那州到古巴，墨西哥灣與巴西南部。 在東大西洋中的發生, 特別的在塞內加爾與幾內亞比索沒有被確認, 而且可能是以 薔薇白眼鮫〔Carcharhinus brevipinna〕 為依據。
主要参考文献
上传您的参考资料 | 参考文献 | 合作者 : Compagno, Leonard J.V. | 合作者
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)
对人类的威胁
引起创伤的 (Ref. 26340)
人类利用
渔业: 低经济
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基于模型的估算
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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]. |
| Bayesian length-weight | a=0.00525 (0.00243 - 0.01135), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
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营养阶层 (参考文献 69278) |
4.2 ±0.7 se; based on diet studies. |
| Generation time | 4.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
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回复力 (参考文献 120179) |
非常低的, 最小族群倍增时间超过14 年 (Fec=1). |
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渔业脆弱性 (Ref. 59153) |
High vulnerability (60 of 100). 🛈 |
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价格分类 (Ref. 80766) |
Medium. |
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营养素 (Ref. 124155) |
Calcium = 18.2 [2.4, 105.3] mg/100g; Iron = 0.806 [0.208, 2.583] mg/100g; Protein = 22.3 [19.5, 24.6] %; Omega3 = 0.212 [0.078, 0.538] g/100g; Selenium = 14.5 [3.6, 49.7] μg/100g; VitaminA = 8.18 [2.44, 27.45] μg/100g; Zinc = 0.398 [0.184, 0.751] mg/100g (wet weight); |