The largest fish and the largest shark in the sea 40 feet (12.2M).that is very big.Whale sharks weight up to at least 40,00 pounds (18,144 KG).Adult whale sharks go up to nearly 50 feet big.Whale sharks are not rough animals.Also they are very kind to humans.People are known to swim safely beside a whale shark.I think swimming beside a whale shark would be awesome.Whale sharks is thought to have developed close to 60 million years ago making them the oldest animal species on the earth right now.Whale sharks is also known to dive to the depth of up to 700 meters (that is over 2,000 deep).Whale sharks are found close to the coastlines.The whale shark is most commonly found around the gulf of mexico also the indonesian islands.Whale sharks have been known to be there almost playful towards a human.Whale sharks have sharp scales.