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Carcharias taurus Rafinesque, 1810

Sand Tiger


Names
Scientific source:
      Integrated Taxonomic Information System


Following modified from Taiwan Biodiversity National Information Network
   
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Kingdom Animalia  
 Phylum Chordata  
 Class Chondrichthyes  
 Order Lamniformes  
 Family Odontaspididae  
 Genus Carcharias  
  Carcharias taurus    Rafinesque, 1810 
Provider: Pofeng Lee& Shoou-Jeng Joung 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Carcharias ferox Odontaspis ferox Odontaspis herbsti Squalus ferox details
Citation: 臺灣魚類誌(沈等, 1993);中國動物誌-圓口綱及軟骨魚綱(朱等, 2001);FAO Species Catalogue, Vol.4 Sharks of the world 
Character: A large, bulky shark. Head with 5 medium to large gill slits, all in front of pectoral-fin bases, no gill rakers; snout very short and flattened-conical; no nasal barbels or nasoral grooves; eyes small, without nictitating eyelids; mouth very long and angular, extending well behind eyes; anterior teeth in 3 rows on either side of symphysis, large, with long, narrow, hooked, sharp-edged but non-serrated cusps and usually 1 short cusplet on each side; upper anteriors separated from the smaller laterals by a single row of tiny intermediate teeth (lacking in lower jaw); lower anteriors separated at front by 2 rows of small symphyseal teeth (generally lacking in upper jaw). Two dorsal fins, the base of first just in front of pelvic-fin bases and well posterior to pectoral fins; second dorsal fin about as large as first dorsal and anal fins; caudal fin strongly asymmetrical, with a pronounced subterminal notch and a short ventral lobe. No keels on caudal peduncle, but with a strong upper precaudal pit. Claspers tapering. Intestinal valve of ring type. Colour: light brown, often with darker reddish or brownish spots scattered on body, eyes with light green irises. 
Habitat: Maximum total length about 3.18 m; adults between 2.2 to 3 m. Size at birth 95 to 105 cm. Males maturing at about 190 to 195 cm; females maturing at 220 cm or more. A common littoral shark found inshore from the surf zone and in shallow bays to at least 1 
Distribution: East and Northeast off Taiwan; wide-ranging in warm-temperate and tropical coastal waters of the Atlantic Ocean, Mediterranean Sea, and Indo-West Pacific Ocean; absent from the Central Pacific and eastern Pacific Oceans. 
Utility: It is caught by a large variety of fishing gear including line gear, bottom gill nets, and in pelagic and bottom trawls and is utilized for its flesh, liver oil, fins, and hides for leather. This shark is listed on the IUCN Red List of Threatened Animals  
Name Code: 383128
  VU  IUCN Red List
Suggested Link    The Fish Database of Taiwan    FishBase    Discover Life    World Register of Marine Species  
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Following modified from FishBase
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Carcharias taurus   Rafinesque, 1810

Sand tiger shark
Catalog of Fishes ( gen. , sp. ) | ITIS | CoL
Classification
Elasmobranchii | Lamniformes | Odontaspididae
Synonyms
Carcharhinus taurus , Eugomphodus taurus , Odontaspis taurus , ... more
Common names
Requin taureau , Toro bacota , Sand tiger , ... more
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Picture by Choromanski, J.M.
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Main reference
Last, P.R. and J.D. Stevens. 1994. (Ref. 6871 )
Other references | Biblio | Coordinator : Compagno, Leonard J.V. | Collaborators
Size / Weight / Age
Max length : 320 cm TL male/unsexed; (Ref. 5213 ); common length : 250 cm TL male/unsexed; (Ref. 6077 ); max. published weight: 158.8 kg (Ref. 40637 )
Length at first maturity
L m   ? , range 220 - 230 cm
Environment
Reef-associated; oceanodromous (Ref. 51243 ); marine; depth range 1 - 191 m (Ref. 247 ), usually 15 - 25 m (Ref. 43278 )
Climate / Range
Subtropical; 45°N - 48°S, 100°W - 155°E
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 ).
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
Dorsal spines (total): 0; Anal spines : 0. A shark with a short, pointed snout, small eyes, protruding spike-like teeth and small, equal-sized dorsal and anal fins; 1st dorsal fin closer to pelvic than to pectoral fins (Ref. 5578 ). Caudal fin with a pronounced subterminal notch and a short ventral lobe (Ref. 13575 ). Pale brown or grey, paler below, with dark spots that appear faded in adults; fins plain (Ref. 6586 ).
Biology
    Glossary (e.g. epibenthic)
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 equatorial movements in autumn and winter (Ref. 247 ). Usually inoffensive and not aggressive when not provoked (Ref. 247 ) but has known to bite swimmers and be aggressive towards divers with speared fish (Ref. 6586 ). Utilized for fresh, frozen, smoked and dried for human consumption (Ref. 247 ); also for fishmeal, liver oil, fins, and hides for leather (Ref. 13568 ). Flesh highly appreciated in Japan (Ref. 36731 ).
IUCN Red List Status (Ref. 84930 )
Threat to humans
  Vulnerable (VU)  (A2ab+3d)   Traumatogenic (Ref. 4690 )
Human uses
Fisheries: commercial; gamefish: yes
More information
Countries
FAO areas
Ecosystems
Occurrences
Introductions
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
Other references
Biblio
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Collaborators
Pictures
Stamps
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision
Tools
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Special reports
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Internet sources
Estimation of some characteristics with mathematical models
Phylogenetic diversity index (Ref. 82805 )
PD 50 = 0.8125
Trophic Level (Ref. 69278 )
4.5 s.e. 0.80 Based on diet studies.
Resilience (Ref. 69278 )
Very Low, minimum population doubling time more than 14 years (Fec=2; K=0.14-0.17; tmax=17)
Vulnerability (Ref. 59153 )
Price category (Ref. 80766 )
High to very high vulnerability (68 of 100)

Entered by Carpenter, Kent E. Modified by Wiethchter, Anita




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