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Sand tiger shark - Requin taureau (Carcharias taurus), South Africa.
The Sand tiger shark or Spotted ragged-tooth shark (Carcharias taurus) belongs to the family of «Odontaspididae». He is present in three big oceans, Red Sea and in the Mediterranean Sea. He can live more than 20 years for a maximum size of 2,80m, sometimes more of 3m. We distinguish him by a massive and lengthened body, the sides are grey-brown and the white stomach. His snout and of conical shape. He has two wide dorsal fins with almost equal size. His mouth is furnished with three rows of functional teeth disentangled in the shape of canine. Wide spots can cover the whole body and disappear when it reaches its sexual maturity. He possesses the peculiarity than to gulp down of the on-surface air to compensate its buoyancy because he has no swim bladder. The shark-bull is an ovoviviparous species. One of its peculiarities is also called intra-uterine cannibalism «oophagie». The gestation is of 9 months for one small only one.The Sand tiger shark is put in danger by its intensive, commercial and sports fishing. He is classified "Vulnerable" by the red list of the UICN.
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