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The selected pictures are what we believe to be the best pictures on Wikipedia related to sharks.Any image that is featured or valued on the English Wikipedia, or featured, valued or considered high quality on Wikimedia Commons, and is used in one or more articles within the scope of WikiProject Sharks, automatically qualifies, and may be added below.
Smaller sharks eat proportionately more cephalopods and crustaceans, switching to fish as they grow older. [ 10 ] [ 16 ] Many predators feed on the milk shark, including larger sharks such as the blacktip shark ( Carcharhinus limbatus ) and Australian blacktip shark ( Carcharhinus tilstoni ), and possibly also marine mammals . [ 15 ]
Gulper sharks can have long resting periods between pregnancies. [2] They are ovoviviparous, meaning the only parental care they give their young is during the incubation period. [5] Since not all oocytes form into pups, when a pup or two is formed inside the female, they eat the remaining fertilized eggs, known as oophagy. [2]
The pieces that are cut off exhibit a contraction of their muscular fibres for some time after life is extinct. It is, therefore, extremely difficult to kill, and unsafe to trust the hand within its mouth, even when the head is cut off. And, if we are to believe Crantz, this motion is to be observed three days after, if the part is trod on or ...
Thresher sharks are solitary creatures that keep to themselves. It is known that thresher populations of the Indian Ocean are separated by depth and space according to sex. Some species however do occasionally hunt in a group of two or three contrary to their solitary nature. All species are noted for their highly migratory or oceanodromous habits.
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The cookiecutter shark (Isistius brasiliensis), also called the cigar shark, is a species of small squaliform shark in the family Dalatiidae.This shark lives in warm, oceanic waters worldwide, particularly near islands, and has been recorded as deep as 3.7 km (2.3 mi).
Now in its 13th season, "Shark Tank" gives entrepreneurs the opportunity to pitch their companies to some of the most successful business people in the world. These "Sharks" invest their own money ...