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Elasmobranchii (sharks and rays) > Carcharhiniformes (Ground sharks) > Carcharhinidae (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 Ecology

Marine; freshwater; brackish; demersal. Tropical; 5°N - 21°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Pacific: northern Australia and New Guinea (Ref. 84281).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 100.0 cm TL male/unsexed; (Ref. 244); 175.0 cm TL (female)

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.

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

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

Main reference Upload your references | References | Coordinator : Compagno, Leonard J.V. | Collaborators

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)

Vulnerable (VU) (C1); Date assessed: 20 April 2021

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest

FAO - Publication: search | FishSource |

More information

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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).

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

Resilience (Ref. 120179): Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).

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

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Glyphis glyphis (Müller & Henle, 1839)