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Only some sharks are required to swim at all times. This is because the swimming motion helps water flow through its gills which enable it to breath. Other sharks have the ability to pump water through the gills without swimming.
Wiki User
∙ 12y ago
Wiki User
∙ 12y agoSome people say that sharks need to keep swimming all the time to keep water passing over their gills. However I am a Scuba diver and I have frequently seen sharks of a variety of species resting on the sea bed apparently 'asleep'. They can be like this for as long as the dive lasts (30-45 mins.) and are certainly not swimming. So the answer is yes, some sharks do stop swimming.
The related answer below adds more clarification.
Wiki User
∙ 6y agoSome sharks can die if they stop moving, but many sharks do stop to rest. They just stop in a place where the water is moving past them, and then they are okay.
Unlike other fish, sharks do not have gas-filled swim bladders, but rather rely on an oil-filled liver for (limited) buoyancy, so they sink when they stop swimming.
If a shark stops swimming it will die. A shark must swim; in order for sharks to breath, water must flow through the gills. If this is discountinued then the shark will die.
I am a scuba diver and I have frequently seen sharks of a variety of species resting on the sea bed apparently 'asleep'. They can be like this for as long as the dive lasts (30-45 mins.) and are certainly not swimming. So some sharks do stop swimming. As they are on the seabed doing this then the lack of a swim bladder will not matter.
Sharks do rely on a oily liver for buoyancy, but whether or not they can stop swimming depends on the specie. While most must keep swimming, several do not have to. White tip reefs, carpet sharks, angel sharks and nurse sharks are just a few with specialized muscles that pump the water in while the shark rests on the sea floor or reefs.
Wiki User
∙ 14y agowhen sharks die they sink to the bottom of the sea bed where other sea life eat from them
Wiki User
∙ 11y agoIts body lies in the ocean then it gets eaten by fish or sharks
Wiki User
∙ 15y agoNothing as long as he keeps moving forward to keep water miving through its gills/
Wiki User
∙ 12y agoNothing, fish have swim bladders that keep them buoyant and can flush water over their gills without having to swim to do it. If they stop swimming they will drift with the current.
Wiki User
∙ 11y ago- Because they are too heavy to float and it could not catch food
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No one organ gives it buoyancy, especially since they don't have a swim bladder. If a shark stops swimming, it will sink. Since they don't have a swim bladder, they maintain it by simply moving through the water. If they stop moving, they will eventually sink because of their weight. Their liver is important, as they have an oily liver that may make up to 25% of their own total mass. Read more at the related link below.
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Tiger Shark Lemon Shark Great White Shark Whale Shark Basking Shark Megamouth Shark Grey Reef Shark Carribbean Reef Shark Black Tip Reef Shark White Tip Reef Shark Black Tip Shark Thats all poo poo!!
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