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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.
The young sharks are typically 3 to 7 meters (10 to 23 feet) in length, making them more vulnerable to predators. While an orca versus whale shark matchup may seem like an epic battle, the orcas ...
An attack on a strap-toothed whale. Orcas (or killer whales) are large, powerful aquatic apex predators. There have been incidents where orcas were perceived to attack humans in the wild, but such attacks are less common than those by captive orcas. [1] In captivity, there have been several non-fatal and four fatal attacks on humans since the ...
“The presence of these shark-hunting killer whales possibly ties into broader ecosystem dynamics. ... top predators, killer whales can rapidly learn new hunting techniques on their own or from ...
The whale shark is now classified as ovoviviparous rather than oviparous, because extrauterine eggs are now thought to have been aborted. Most ovoviviparous sharks give birth in sheltered areas, including bays, river mouths and shallow reefs. They choose such areas for protection from predators (mainly other sharks) and the abundance of food.
In the ocean food chain, large sharks generally only have to worry about keeping orcas at bay — but a new study suggests the apex predators may have to watch out for their own.. Researchers have ...
It was a member of a group of macroraptorial sperm whales (or "raptorial sperm whales") and was probably an apex predator, preying on whales, seals and so forth. Characteristically of raptorial sperm whales, Livyatan had functional, enamel-coated teeth on the upper and lower jaws, as well as several features suitable for hunting large prey.
The whale in the middle comes to the surface clenching a dead shark in its jaws. The great white is about nine-feet-long—“so not a tiny animal,” Towner quips—and the orca is biting it ...