Common sawfish

Common sawfish ( Pristis pristis )

The Common sawfish ( Pristis pristis ), also called heavy Thai or sawfish, is a species of the family sawfish ( Pristidae ). The fish can be about 5 feet long and reach a maximum age of 30 years.

Common sawfish living world in all tropical and subtropical seas, between 45 ° north and 17 ° south latitude, always near the coasts and the ground floor. Its area of ​​distribution in the western Atlantic extends from Florida and Louisiana to Brazil. In the Pacific, they occur to the Gulf of California and Ecuador from northern Australia.

Sawfish also lived in the western Mediterranean and eastern Atlantic from Portugal to Angola, the Mediterranean population and which has since been eradicated on Portugal's coast, the status of the West African is uncertain. The Common sawfish is listed by the IUCN as threatened with extinction ( critically endangered ).

Common sawfish are euryhaline and tolerate brackish and fresh water. You walk into lagoons and estuaries. The Amazon, they migrate up to 750 km. A population in Nicaragua may be stationary, does not migrate and multiplies in fresh water.

Sawfish feed on fish and various bottom-dwelling invertebrates. They multiply ovoviviparous.