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The whale shark (Rhincodon typus) is a slow-moving, filter-feeding carpet shark and the largest known extant fish species. The largest confirmed individual had a length of 18.8 m (61.7 ft). [8] The whale shark holds many records for size in the animal kingdom, most notably being by far the most massive living non-cetacean animal.
Relatively sedentary species, such as wobbegongs can live on feedings occurring once or twice weekly. [7] More active species may require to be fed three or four times per week to maintain satisfactory health. [7] Sharks living in cooler water have slower metabolisms than sharks in warmer water housings and therefore require less food. [7]
The bite marks on the whale were made by a great white shark. Memorial to beached whales outside Florence, Oregon. If a whale is beached near an inhabited locality, the rotting carcass can pose a nuisance as well as a health risk. Such very large carcasses are difficult to move.
The endangered whale shark can reach lengths of 18 metres.
Whale sharks play a critical role in the ocean. A new study predicts 90% of marine species will go extinct by the end of the century, without deep emission cuts. Climate Change Threatens ...
Shark lifespans vary by species. Most live 20 to 30 years. The spiny dogfish has one of the longest lifespans at more than 100 years. [68] Whale sharks (Rhincodon typus) may also live over 100 years. [69]
A giant shark that was known as a megalodon use to terrorize the underwater world. Although the enormous sharks didn't make the evolutionary cut, researchers believe they still had a big impact on ...
Toothed whales have well-developed senses – their eyesight and hearing are adapted for both air and water, and they have advanced sonar capabilities using their melon. Their hearing is so well-adapted for both air and water that some blind specimens can survive. Some species, such as sperm whales, are well adapted for diving to great depths.