Isogomphodon oxyrhynchus (Valenciennes, 1839) Daggernose shark |
photo by
JAMARC |
Family: | Carcharhinidae (Requiem sharks) | |||
Max. size: | 160 cm TL (male/unsexed); max. reported age: 12 years | |||
Environment: | demersal; brackish; marine; depth range - 15 m | |||
Distribution: | Western Atlantic: Trinidad, Guyana, Suriname, French Guiana, and Brazil. | |||
Diagnosis: | Large number of teeth, great length of very narrow snout. Yellow-gray above and white below (Ref. 6032). | |||
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. | |||
IUCN Red List Status: | Critically Endangered (CR); Date assessed: 01 July 2019 (A2bcd) Ref. (130435) | |||
Threat to humans: | harmless |