Weißspitzen-Riffhai

Art der Gattung Triaenodon
Dies ist eine alte Version dieser Seite, zuletzt bearbeitet am 7. September 2006 um 01:29 Uhr durch Dcljr (Diskussion | Beiträge) (See also: + Oceanic whitetip shark). Sie kann sich erheblich von der aktuellen Version unterscheiden.

Vorlage:Portalpar

Systematik

The whitetip reef shark Triaenodon obesus is a shark of tropical and warm temperate seas.

Habitat and distribution

The whitetip reef shark is one of the most common sharks found in shallow water around coral reefs in the Indian and Pacific Oceans. It occurs at depths down to 330 meters.

Anatomy and appearance

 
Whitetip reef shark head.
 
Whitetip reef shark.

As its name suggests, the tips of the shark's first dorsal fin and upper caudal fin are white. The upper body is grey/brownish. Their average length is about 140 to 160 cm and the maximum reported length is 244 cm. Its head is broad and flat.

Diet

The whitetip reef shark feeds primarily on crustaceans, octopuses and fish.

Behaviour

This bottom dwelling shark is nocturnal and is often seen resting on the bottom during the day, sometimes in small groups. It is not aggressive and will generally swim away if disturbed, although it may bite if harassed. At night it hunts among crevices in the reef.

Reproduction

Reproduction is viviparous, with one to five pups in a litter, the gestation period is at least five months. The shark's size at birth ranges from 50-60 cm. It is estimated that this shark can live for about 25 years and it reaches maturity after about 5 years.

See also

References

Commons: Triaenodon obesus – Album mit Bildern, Videos und Audiodateien

de:Weißspitzen-Riffhai