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While the shark is moving, water passes through the mouth and over the gills in a process known as "ram ventilation". While at rest, most sharks pump water over their gills to ensure a constant supply of oxygenated water. A small number of species have lost the ability to pump water through their gills and must swim without rest.
The shark cost Hirst £6,000 [4] and the total cost of the work was £50,000. [5] Hirst asked Doris Lockhart for a loan to cover the cost of shipping the shark from Australia, but she gave him the required amount. In return, Hirst invited Lockhart to choose anything she liked from his studio, and she selected a piece called The Only Way is Up. [6]
Marks made by cookiecutter sharks have been found on a wide variety of marine mammals and fishes, and on submarines, undersea cables, and human bodies. It also consumes whole smaller prey, such as squid. Cookiecutter sharks have adaptations for hovering in the water column, and likely rely on stealth and subterfuge to capture more active prey ...
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.
The bull shark, Carcharhinus leucas, can swim between salt and fresh water, and are found in tropical rivers around the world. The river sharks (of the genus Glyphis ) can live in both saltwater and freshwater as well, while one of their members, the Ganges shark ( Glyphis gangeticus ), lives exclusively in freshwater.
The Gulf Stream is an 1899 oil painting by the American artist Winslow Homer. [1] It shows a man in a small dismasted rudderless fishing boat struggling against the storm-tossed waves and perils of the sea, presumably near the Gulf Stream, and was the artist's statement on a theme that had interested him for more than a decade.
The basking shark is a cosmopolitan migratory species found in all the world's temperate oceans. A slow-moving filter feeder, its common name derives from its habit of feeding at the surface, appearing to be basking in the warmer water
Pages in category "Sharks in art" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes. G. The Gulf Stream (painting) H.