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Common sawfish 
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Joined: Thu Jul 09, 2009 11:30 am
Posts: 1776
Post Common sawfish
Family : Pristidae (Sawfishes)
Order : Pristiformes  (sawfishes)
Class : Elasmobranchii (sharks and rays)
Fishbase Name : Common sawfish
Fish Name : Pristis pristis
Max size : 750 cm TL (male/unsexed; Ref. 57708); max. reported age: 30 years
Environment : demersal; oceanodromous
Climate : subtropical; 45°N - 17°S
Global Importance : fisheries: minor commercial
Resilience: Low, minimum population doubling time 4.5 - 14 years (tmax=30; Fec assumed to be Distribution : Western Pacific: northern Australia, from Western Australia to Queensland (Ref. 7300). Eastern Pacific: Gulf of California to Ecuador. Western Atlantic: Florida and Louisiana, USA to Brazil (Ref. 7251). Eastern Atlantic: Portugal to Angola, including the western Mediterranean.
Diagnosis :
Biology : A euryhaline species (Ref. 57533). Inhabits inshore coastal waters to moderate depth, also around off lying islands. Found also in estuaries, lagoons, river mouths, and even freshwater. Feeds on fishes and bottom-living animals. Ovoviviparous. Apparently can reproduce in freshwater (Ref. 57533). Freshwater populations occur to about 750 km up Amazon River; populations in Lake Nicaragua may be non-migratory (Ref. 7251)
Threatened : Dangerous:  
Dangerous : harmless
Coordinator : McEachran, John
Main Ref : Stehmann, M.. 1990. (Ref. 4429)

India country information
Common Names : [ No common name ]
Status : questionable
Salinity : freshwater, brackish, marine
Uses : no uses



Fri Jul 24, 2009 11:34 am
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