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Sharks cannot swim backwards. Unlike the fins of telelosts (bony fish), sharks' pectoral fins do not bend upwards, and so they are unable to back up. Sharks are also unable to stop swimming suddenly.
Wiki User
∙ 13y ago
Wiki User
∙ 15y agoIf most sharks swim backwards they will drown because they do do not have any way to make water flow over the gills. Some sharks and most bony fish have a "buccal pump" meaning that the mouth and (in bony fish) the operculum is designed to actively pump water over the gills. Not many fish can swim backwards. A couple that can are the puffer fish and the seahorse.
Wiki User
∙ 15y agoNope not that i know of ive had to do that to all my fish to stop them from fighting.
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Can you drown a fish by Pull a fish backwards through water?
Yes. You can pull it side to side and front to back
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Most organisms, except for some such as anaerobic bacteria, respire oxygen. Fish have gills, gills have the ability to take the oxygen out of the molecule H2O.Fish have gills, which filter out the oxygen from the water. However, they can't breath out of water.A fish doesn't have lungs, it has gills, so it doesn't breathe in water really.Fish breathe under water by using their GILLSto surviveGills pull oxygen from the water but they can't breathe out of the water because the other chemicals in the air.
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The fish hasgills that they use to filter from the water the oxygen they need to as you say "breath" ,so when you put them on land there gills are not working anymore by filtering the water for oxygen because there is no water it's as you know just air (oxygen) so there gills are still trying to work but there is no water to filter oxygen for them.
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