Sand tiger shark (Carcharias taurus) fish species and information / pictures of Sand tiger shark - Carcharias taurus

Sand tiger shark (Carcharias taurus) fish species information

Scientific Name
Carcharias taurus

Common Name
Sand tiger shark

Biology
A common littoral shark found inshore from the surf zone and in shallow bays to at least 191 m on the outer continental shelves (Ref. 13568). Often on or near the bottom but also occurs in midwater or at the surface (Ref. 247). Only shark known to gulp and store air in its stomach to maintain neutral buoyancy while swimming (Ref. 13568). Found singly or in small to large schools (Ref. 247). Feeds on bony fishes, small sharks, rays, squids, crabs, and lobsters (Ref. 5578). Ovoviviparous, embryos feeding on yolk sac and other ova produced by the mother as well as other siblings in the womb (uterine cannibalism) (Ref. 50449). Usually gives birth to 2 pups after a 9-12 months gestation period (Ref.58048). A migratory species in parts of its range, particularly in its northern and southern extremities where pronounced poleward migration occur in the summer and e

Classification

Classified By
Rafinesque, 1810
Class
Sharks and Rays (Elasmobranchii)
Order
Mackerel sharks (Lamniformes)
Family
Sand tigers (Odontaspididae)

Distribution

Region
Found in all warm seas except perhaps the eastern Pacific (Ref. 13568). Indo-West Pacific
Distribution
Found in all warm seas except perhaps the eastern Pacific (Ref. 13568). Indo-West Pacific: Red Sea and off South Africa to Japan, Korea and Australia (Ref. 13568). Present in Arafura Sea (Ref. 9819). Western Atlantic: Gulf of Maine to Argentina. Old record from Bermuda, south Brazil (Ref. 26938). Eastern Atlantic: Mediterranean to Cameroon. Northwest Atlantic: Canada (Ref. 5951).
Range
45°N - 48°S, 100°W - 155°E

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
1 m
Depth To - meters
191 m
Zone
reef-associated
Environment
Marine; reef-associated; oceanodromous (Ref. 51243); depth range 1 - 191 m (Ref. 247), usually 15 - 25 m (Ref. 43278)
Trophic Level
4.5 s.e. 0.80 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
320 cm
Common Length
250 cm
Phylogenetic Diversity Index
PD50 = 0.8125 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: commercial; gamefish: yes
Vulnerability
High to very high vulnerability (68 of 100)
Resilience
Very Low, minimum population doubling time more than 14 years (Fec=2; K=0.14-0.17; tmax=17)
Threat To Humans
  Traumatogenic (Ref. 4690)
IUCN Red List Status
  Vulnerable (VU) (A2ab+3d)