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Shark Anatomy (50693674756) The gill slits of a whale shark flaring as it expels water from its pharyngeal cavity. In the shark anatomy image, it depicts the beginning half of the shark, including the gills. The shark gills are especially important and were evolved from the chordate pharyngeal gill slits synapomorphy.
Whale sharks possess a broad, flattened head with a large mouth and two small eyes located at the front corners. [14] [15] Unlike many other sharks, whale shark mouths are located at the front of the head rather than on the underside of the head. [16] A 12.1 m (39.7 ft) whale shark was reported to have a mouth 1.55 m (5.1 ft) across. [17]
The teeth of plankton-feeders, such as the basking shark and whale shark, are greatly reduced and non-functional. These sharks filter feed on prey by opening their mouths to let tiny organisms get sucked into their mouths to feed without using their teeth at all, instead filtering the food when passing water through their gills. [11]
Pores are concentrated in the skin around the snout and mouth of sharks and rays, as well as the anterior nasal flap, barbel, circumnarial fold and lower labial furrow. [10] Canal size typically corresponds to the body size of the animal but the number of ampullae remains the same. The canals of the ampullae of Lorenzini can be pored or non-pored.
It is one of three plankton-eating shark species, along with the whale shark and megamouth shark. Typically, basking sharks reach 7.9 m (26 ft) in length. It is usually greyish-brown, with mottled skin, with the inside of the mouth being white in colour. The caudal fin has a strong lateral keel and a crescent shape. Other common names include ...
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The story, as reported, is that during a whaling expedition off the Falkland Islands, Bartley's boat was attacked by the whale and he landed inside the whale's mouth.He survived the ordeal and was carved out of the stomach by his peers when they, not knowing he was inside, caught and began skinning the whale, because the hot weather otherwise would have rotted the whale meat.
'In the Whale,' the story of Provincetown lobster diver Michael Packard's life and his 30 seconds in a humpback's mouth, continues to sell out shows.