Megamouth has a 3 foot long mouth. It lures crill with its luminous organs around its lips. The first megamouth was spotted dead from 660 feet below water entangled in the sea anchor of a U.S. Navy boat off the coast of Hawaii. The second was caught in gill nets. The third washed up and died. A fourth was found on a beach near Japan. A fifth, alive off the coast of Japan. A sixth was caught and released off the California coast. They are very rare.
The whale shark is the largest fish in the world. It can grow up to 40 feet and weigh up to 13 tons. It is about as large as an adult gray whale but they're harmless and allows scuba divers to hitch rides by hanging onto their fins. They feed on plankton. Whale sharks are named after whales which are not fish but mammals. The only danger is getting scraped by their rough skin or accidently getting knocked by the huge tail when it swings back and forth. They go at 2 miles per hour and they live in tropical and sub-tropical waters. They feed by filtering food out of the water. Because they feed near the surface, they sometimes run into ships. Scientists believe that whale sharks may either lay enormous, long eggs or give birth to live young hatched from eggs inside their body.
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