Whitetip reef shark: Difference between revisions
GrahamBould (talk | contribs) Removed depth comment which conflicts with Fishbase |
|||
| Line 33: | Line 33: | ||
== Behavior == |
== Behavior == |
||
This bottom dwelling shark is [[nocturnal animal|nocturnal]] and is often seen resting on the bottom during the day, sometimes in small groups |
This bottom dwelling shark is [[nocturnal animal|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 == |
||
Revision as of 21:26, 26 July 2008
| Whitetip reef shark | |
|---|---|
| |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| Subclass: | |
| Order: | |
| Family: | |
| Genus: | Triaenodon |
| Species: | T. obesus
|
| Binomial name | |
| Triaenodon obesus | |
The whitetip reef shark, Triaenodon obesus, is a requiem shark of the family Carcharhinidae, the only member of the genus Triaenodon.
Habitat and distribution
The whitetip reef shark is one of the most common sharks found in shallow tropical and warm temperate water around coral reefs in the Indian and Pacific oceans. It occurs at depths down to 330 m. They are commonly seen harmless while snorkeling.
Anatomy and appearance
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 other sorts of fish.
Behavior
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 1 to 5 pups in a litter, the gestation period being at least 5 months. The shark's size at birth ranges from 50 to 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
- Template:IUCN2006 Database entry includes justification for why this species is near threatened
- "Triaenodon obesus". Integrated Taxonomic Information System. 23 January.
{{cite web}}: Check date values in:|date=and|year=/|date=mismatch (help) - Froese, Rainer; Pauly, Daniel (eds.). "Triaenodon obesus". FishBase. October 2005 version.
- "Triaenodon obesus" at the Encyclopedia of Life
- Community monitoring of reef sharks in the Great Barrier Reef and Coral Sea 2008 Australian Underwater Federation
External links
- ARKive - images and movies of the whitetip reef shark (Triaenodon obesus)
- Whitetip Reef shark, Trianodon obesus at marinebio.org