Daggernose shark (Isogomphodon oxyrhynchus)

Scientific name: Isogomphodon oxyrhynchus M?ller & Henle, 1839

Daggernose shark (Isogomphodon oxyrhynchus)

The Daggernose shark (Isogomphodon oxyrhynchus) is a brackish-water fish of the family Carcharhinidae. Native range: Western Atlantic, Trinidad, Guyana, Suriname, French Guiana, and Brazil.

Biology

An inshore shark found over rocky bottoms, entering estuaries and river mouths. Feeds on small schooling fishes including herring, anchovies and croakers. Viviparous, generally 4 embryos per brood; size at birth 38 to 41 cm. 244 cm record unconfirmed.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Isogomphodon oxyrhynchus
Family
Carcharhinidae (Requiem sharks)
Order
Carcharhiniformes (Ground sharks)
Class
Elasmobranchii (Sharks and Rays)
Maximum length
160
Common length
100.0
Depth range
15 m (49 ft)
Environment
Marine; brackish; demersal; depth range ? - 15 m
Climate
Tropical
Distribution
Western Atlantic: Trinidad, Guyana, Suriname, French Guiana, and Brazil.
Conservation status (IUCN)
Critically Endangered (CR) (A2ad+3d+4ad)
Threat to humans
Harmless
Uses
Fisheries: subsistence fisheries
Resilience
Very Low, minimum population doubling time more than 14 years (K=0.11-0.12; tm=5-7; tmax=12; Fec=4)

Sources

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

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