Whitetip reef shark (Triaenodon obesus) fish species and information / pictures of Whitetip reef shark - Triaenodon obesus

Whitetip reef shark (Triaenodon obesus) fish species information

Scientific Name
Triaenodon obesus

Common Name
Whitetip reef shark

Biology
Sluggish inhabitant of lagoons and seaward reefs where it is often found resting in caves or under coral ledges during the day , or usually on a sand patch, or in a channel . More active at night or during slack tide in areas of strong currents. Feeds on benthic animals such as fishes, octopi, spiny lobsters and crabs. Viviparous. Travels distances from about 0.3 to 3 km in periods up to about 1 year. Rarely reported to attack humans, but is potentially dangerous especially when fish had been speared. Probably fished wherever it occurs. Caught by inshore longline and gillnet fisheries, and probably adversely affected by dynamite fishing. Meat and liver utilized fresh for human consumption. The liver of this shark has been reported

Classification

Classified By
R?ppell, 1837
Class
Sharks and Rays (Elasmobranchii)
Order
Ground sharks (Carcharhiniformes)
Family
Requiem sharks (Carcharhinidae)

Distribution

Region
Indo-Pacific
Distribution
Indo-Pacific: Red Sea and East Africa to Indonesia and the Arafura Sea , north to Ryukyu and Ogasawara islands, south to New South Wales , New Caledonia, and the Austral and Pitcairn islands; throughout Micronesia. Eastern Pacific: Cocos and Galapagos islands, Panama to Costa Rica.
Range
29°N - 30°S, 33°E - 77°W

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
1 m
Depth To - meters
330 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 1 - 330 m , usually 8 - 40 m
Trophic Level
4.19 s.e. 0.65 Based on diet studies.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
True
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
213 cm
Common Length
160 cm
Phylogenetic Diversity Index
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial; gamefish: yes
Vulnerability
Very high vulnerability (83 of 100)
Resilience
Very Low, minimum population doubling time more than 14 years (tm=5-9; tmax=25; Fec=1)
Threat To Humans
Traumatogenic (Ref. 4690)
IUCN Red List Status
Near Threatened (NT)