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Whale shark - Requin baleine (Rhincodon typus), Yucatan peninsula, Mexico.

The whale shark (Rhincodon typus) belongs to the family of Rhincodontidae. It is the biggest present cartilaginous fish on the planet. He arranges a massive body from 3 to 15 meters length for 2 to 12 tons weight (some of them can reach 20 meters for 34 tons). The livery of this fish in checkerboards is very characteristic. The stomach and the bottom of fins is white. His mouth, being able to reach two meters in width is equipped with tiny teeth distributed on 300 rows by jaw. Five pairs of branchiales cracks filter the water to assure its breath. This shark raises two dorsal ailerons and its tail fin is said " hétérocerque ", the upper lobe is more big than the lower lobe. His geographical distribution includes waters tropical and moderated in hot of the Atlantic Ocean, the Pacific and the Indian Ocean. It is a pelagic species living in the wide in very deep water. However they sometimes group together in shallow water by the hundreds. They migrate on long distances probably for the plankton and changes in water temperature.
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Whale shark (Rhincodon typus) - Yucatan - Mexico
Whale shark - Requin baleine (Rhincodon typus), Yucatan peninsula, Mexico.<br />
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The whale shark (Rhincodon typus) belongs to the family of Rhincodontidae. It is the biggest present cartilaginous fish on the planet. He arranges a massive body from 3 to 15 meters length for 2 to 12 tons weight (some of them can reach 20 meters for 34 tons). The livery of this fish in checkerboards is very characteristic. The stomach and the bottom of fins is white. His mouth, being able to reach two meters in width is equipped with tiny teeth distributed on 300 rows by jaw. Five pairs of branchiales cracks filter the water to assure its breath. This shark raises two dorsal ailerons and its tail fin is said " hétérocerque ", the upper lobe is more big than the lower lobe. His geographical distribution includes waters tropical and moderated in hot of the Atlantic Ocean, the Pacific and the Indian Ocean. It is a pelagic species living in the wide in very deep water. However they sometimes group together in shallow water by the hundreds. They migrate on long distances probably for the plankton and changes in water temperature.