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Glyphis glyphis (Müller & Henle, 1839)

Speartooth shark
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Glyphis glyphis
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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: Glyphis: Tautonymous with Carcharias glyphis Müller & Henle 1839. (See ETYFish);  glyphis: Greek for knife, referring to how anterior lower teeth are serrated and flare outward, arrowhead-like, before coming to a sharp point. (See ETYFish).
More on authors: Müller & Henle.

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

海洋; 淡水; 半鹹淡水 居於水底的. 熱帶; 5°N - 21°S

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Western Pacific: northern Australia and New Guinea (Ref. 84281).
西太平洋: 在馬來西亞,巴布亞新幾內亞與澳洲的昆士蘭省的不確定的發生。 已知只來自 Muller 與 Henle 的原始描述了。 (1839) 這一個問題仍然是正由 Garrick 與 Compagno 研究中。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 100.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 244); 175.0 cm TL (female)

生物學特性     字彙 (例如 epibenthic)

Found presumably inshore. Largest whole specimen collected was that of a female with maturity unknown, 175 cm TL. Large sets of jaws examined indicate that size can attain up to 2 m and possibly 3 m (Ref. 76952). Viviparous (Ref. 50449). Biology poorly known.

發現可能近海。 可能地對 300 公分。 胎生的.(參考文獻 50449) 生物學特性知道的很少。

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

Distinct pairing with embrace (Ref. 205). Viviparous, placental (Ref. 50449).西太平洋: 在馬來西亞,巴布亞新幾內亞與澳洲的昆士蘭省的不確定的發生。 已知只來自 Muller 與 Henle 的原始描述了。 (1839) 這一個問題仍然是正由 Garrick 與 Compagno 研究中。

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)

  次級保育類動物, 見 IUCN 紅皮書 (VU) (C1); Date assessed: 20 April 2021

CITES


CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00218 - 0.01003), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  4.2   ±0.7 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100).