The whale shark (Rhincodon typus) or butanding in the Philippines , is the largest fish in the world. In Donsol, a fishing village in the Sorsogon province, the biggest group of butandings have been observed to make their way across oceans for a visit during the period covering November to May. Local waters have now become a sanctuary for a group of at least 40 butandings - a phenomenon seen nowhere else in the world. Butandings measure from 18 to 35 feet and weigh about 20 tons.
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