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Common stingray 
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Joined: Thu Jul 09, 2009 11:30 am
Posts: 1776
Post Common stingray തിരുക, തിരുകൈ , Blue stingray, Thirukay
Family : Dasyatidae (Stingrays)
Order : Rajiformes  (skates and rays)
Class : Elasmobranchii (sharks and rays)
Fishbase Name : Common stingray
Fish Name : Dasyatis pastinaca
Max size : 57.0 cm WD (male/unsexed; Ref. 4438); 60 cm WD (female)
Environment : demersal ; depth range 5 - 200 m
Climate : subtropical; 61°N - 35°S
Global Importance : fisheries: commercial; aquarium: public aquariums
Resilience: Very low, minimum population doubling time more than 14 years (Fec=4-7)Distribution : Northeast Atlantic and Mediterranean Sea.
Diagnosis :
Biology : Found over sandy and muddy bottoms, sometimes in estuaries and near rocky reefs (Ref. 12951). Feed on bottom fishes, crustaceans and mollusks. Ovoviviparous, gestation period about 4 months and 4-7 young are produced. Wings marketed smoked, dried-salted, and also used for fishmeal and oil. Harmful to shellfish banks; dangerous to bathers and fishers due to its poisonous spine. Barbed poison spine is a modified denticle that can be 35cm long, shed occasionally and replaced (Ref. 35388)
Threatened : Dangerous:  
Dangerous : venomous , Halstead, B.W., P.S. Auerbach and D.R. Campbell. 1990
Coordinator : McEachran, John
Main Ref : Bauchot, M.-L.. 1987. (Ref. 3261)

India country information
Common Names : തിരുക, തിരുകൈ , Blue stingray, Thirukay
Status : questionable
Salinity : marine
Uses : no uses



Fri Jul 24, 2009 11:33 am
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