Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (hajar och rockor) (sharks and rays) > Carcharhiniformes (Ground sharks) > Carcharhinidae (Requiem sharks)
Etymology: Glyphis: Tautonymous with Carcharias glyphis Müller & Henle 1839 (See ETYFish); gangeticus: -icus (Gr.) belonging to: Ganges River, India, where Müller and Henle mistakenly thought it occurred (See ETYFish).
More on authors: Müller & Henle.

Environment: milieu / climate zone / depth range / distribution range Ekologi

marina; sötvatten; brackvatten bottenlevande; amfidrom (Ref. 51243). Tropical; 30°N - 8°N, 65°E - 143°E

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Indo-West Pacific: north Indian Ocean, Indus River outside Karachi, Pakistan to Bangladesh, Myanmar, Thailand and Borneo.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 204 cm TL hane/ej könsbestämd; (Ref. 244)

Biology poorly known. But its minute eyes suggest that it may be adapted to turbid water with poor visibility, as in large tropical rivers and muddy estuaries. Newborn specimens are from 56 to 61 cm long. Viviparous (Ref. 50449). Its notoriety may have stemmed from its widespread confusion with C. leucas. But this species is potentially dangerous as well because of its size and large teeth, though its reputation as a man-eater is still unproven.

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Viviparous, placental (Ref. 50449). Distinct pairing with embrace (Ref. 205).

Main reference Upload your references | referenser | Koordinator : Compagno, Leonard J.V. | Medarbetare

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 Red List Status (Ref. 130435: Version 2024-2)

Critically Endangered (CR) (A2cd; C2a(i)); Date assessed: 22 January 2021

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Traumatogenic

Human uses

Fiskeri: husbehovsfiske

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Preferred temperature (Ref. 123201): 24.6 - 28.1, mean 26.3 °C (based on 141 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5312 [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).

Trofisk nivå (Ref. 69278): 4.2 ±0.7 se; based on size and trophs of closest relatives

Resiliens (Ref. 120179): Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Assuming Fec<10).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Price category (Ref. 80766): Medium.

Glyphis gangeticus (Müller & Henle, 1839)