Carcharhinus isodon, Finetooth shark : fisheries

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Carcharhinus isodon (Valenciennes, 1839)

Finetooth shark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Carcharhinus isodon   AquaMaps   Data sources: GBIF OBIS
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Image of Carcharhinus isodon (Finetooth shark)
Carcharhinus isodon
Picture by Christie, B.L.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Carcharhiniformes (Ground sharks) 真鯊目 (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).

Environment: milieu / climate zone / depth range / distribution range 生態學

海洋 居於水底的; 深度上下限 0 - 20 m (Ref. 106604). 亞熱帶的; 42°N - 38°S, 100°W - 12°W (Ref. 55182)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | 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到烏拉圭.(參考文獻 58839) 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。

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 129.0, range 119 - 139 cm
Max length : 200 cm TL 雄魚/尚未辨別雌雄; (Ref. 106604)

生物學特性     字彙 (例如 epibenthic)

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.

普遍地棲息於近岸。 形成大群魚群。 吃小的硬骨魚類與頭足類動物。 胎生的 (具有一個卵黃囊胎盤), 每胎的 1 到 6個幼魚。 出生時的大小 51 到 64 公分。 推測為被生鮮食用與乾燥鹽醃。

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

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到烏拉圭.(參考文獻 58839) 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。

主要參考資料 Upload your references | 參考文獻 | 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)

IUCN 瀕危狀態 (Ref. 130435)

  近危 (NT) (A2bd); Date assessed: 01 July 2019

CITES


CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  引起創傷的 (Ref. 26340)





人類使用

漁業: 低經濟
FAO - Publication: search | FishSource | 周邊海洋

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孕卵數

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網路資源

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Estimates based on models

Preferred temperature (Ref. 123201): 22.9 - 28.1, mean 27 °C (based on 617 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00221 - 0.01036), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (Ref. 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.
回復力 (Ref. 120179):  非常低的, 最小族群倍增時間超過14 年 (Fec=1).
Fishing Vulnerability (Ref. 59153):  High vulnerability (60 of 100).
價格種類 (Ref. 80766):   Medium.
Nutrients (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);