Shrinking sharks.Whale sharks whale shark, large, plankton-eating shark, Rhincodon typus, found in all tropical seas of the world. The largest known specimens are 50 ft (15 m) long, making them the largest fish in the world. can grow longer than a school bus. But the ones recently measured off the coast of Western Australia Western Australia, state (1991 pop. 1,409,965), 975,920 sq mi (2,527,633 sq km), Australia, comprising the entire western part of the continent. It is bounded on the N, W, and S by the Indian Ocean. Perth is the capital. are shorter than those seen there 10 years ago. Tour-boat operators in the waters around Ningaloo Reef Ningaloo Reef is a fringing coral reef located off the west coast of Australia, approximately 1200 km north of Perth. The reef is 280 km long. It is known for its seasonal feeding concentrations of the whale shark, and the conservation debate surrounding its potential log the length of every whale shark, or Rhincodon typus (RYN-cuh-don TY-pus), they encounter. Their recent reports show a decrease in sharks' lengths. Scientists suspect that local fishermen, who catch the sharks Sharks may refer to:
What does that mean for the world's largest fish? Whale sharks don't reproduce until they're 8 to 9 meters (26 to 30 feet) long, so smaller sharks could result in fewer of the fish in the future. That's bad news for a species that is already considered at high risk of extinction. |
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