Whitetip reef shark (Triaenodon obesus)
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General data

Main name: Whitetip reef shark
Climates: Tropical
Habitat: Saltwater
Native: Africa, Asia, North America, South America, Australia & Oceania
Distribution: Atlantic Ocean, Pacific Ocean, Indian ocean

Classification

Genus: Triaenodon - Triaenodon
Family: Carcharhinidae - Requiem sharks
Order: Carcharhiniformes - Ground sharks
Class: Elasmobranchii - Sharks and Rays
Superclass: Chondrichthyes - Cartilaginous fishes

Description

The whitetip reef shark (Triaenodon obesus) is a species of requiem shark, in the family Carcharhinidae, and the only member of its genus. A small shark that does not usually exceed 1.6 m (5.2 ft) in length, this species is easily recognizable by its slender body and short but broad head, as well as tubular skin flaps beside the nostrils, oval eyes with vertical pupils, and white-tipped dorsal and caudal fins. One of the most common sharks found on Indo-Pacific coral reefs, the whitetip reef shark occurs as far west as South Africa and as far east as Central America. It is typically found on or near the bottom in clear water, at a depth of 8–40 m (26–131 ft). During the day, whitetip reef sharks spend much of their time resting inside caves. Unlike other requiem sharks, which rely on ram ventilation and must constantly swim to breathe, this shark can pump water over its gills and lie still on the bottom. At night, whitetip reef sharks emerge to hunt bony fishes, crustaceans, and octopus in groups, their elongate bodies allowing them to force their way into crevices and holes to extract hidden prey. Individuals may stay within a particular area of the reef for months or years, frequently returning to the same shelter. This species is viviparous, in which the developing embryos are sustained by a placental connection to their mother. Whitetip reef sharks are rarely aggressive towards humans, though they may investigate swimmers closely. However, spear fishers are at risk of being bitten by one attempting to steal their catch. This species is caught for food, though ciguatera poisoning resulting from its consumption has been reported. The IUCN has assessed the whitetip reef shark as Vulnerable, noting its numbers are dwindling due to increasing levels of unregulated fishing activity across its range. The slow reproductive rate and limited habitat preferences of this species renders its populations vulnerable to overfishing.

Whitetip reef shark (Triaenodon obesus)
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General data

Classification

Description

Catches

Taxonomy of Fishes

Whitetip reef shark (Triaenodon obesus)Follow

General data

Classification

Description

Catches

Taxonomy of Fishes

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Whitetip reef shark (Triaenodon obesus)
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