Speartooth shark (Glyphis glyphis)

Scientific name: Glyphis glyphis M?ller & Henle, 1839

Speartooth shark (Glyphis glyphis)

The Speartooth shark (Glyphis glyphis) is a freshwater fish of the family Carcharhinidae. Native range: Western Pacific, northern Australia and New Guinea.

Biology

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. Viviparous. Biology poorly known.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Glyphis glyphis
Family
Carcharhinidae (Requiem sharks)
Order
Carcharhiniformes (Ground sharks)
Class
Elasmobranchii (Sharks and Rays)
Maximum length
100.0
Environment
Marine; freshwater; brackish; demersal
Climate
Tropical
Distribution
Western Pacific: northern Australia and New Guinea.
Conservation status (IUCN)
Endangered (EN) (C2a(i))
Threat to humans
Harmless
Uses
Fisheries: of no interest
Resilience
Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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