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I have been wondering if there is a kind of fish which lives in water but funny enough it doesn't take water. Just curious someone to help me out. 

19 Answers

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The Mangrove Rivulus have specialized skin that has blood vessels that sit within a micron of the skin’s surface to allow oxygen into the blood.
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Oooh okay I never knew that thanks alot for sharing this information. I can imagine an animal living in water but doesn't take that water so strange 
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Well answer to your question is yes, the fish which live in freshwater does not take water. It's not like they do not drink water or don't like its taste. The reason behind it is that fishes take or lose water depends upon the amount of concentration of salt in their bodies. In comparison to saltwater fish, fishes of freshwater are much saltier, and to maintain this concentration water flows continuously through the fish body in order to remove the excess amount of salt. Until its body attains equilibrium with surrounding water present around it. Their kidney works overtime in order to meet the demand of equilibrium.
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Magroves rivulus is the fish which lives in water but does not take water. Usually fishes hav gills which take oxygen from the water; but these mangrove fishes have some adaptations such that they can take oxygen from the air.
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No other known fish can be out of water as long as the Mangrove Rivulus and remain active, according to Patricia Wright, a biologist at Canada's University of Guelph. "They can survive for weeks without really dropping their metabolic rate.
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The Walking Cat fish found in  southeast Asia can wriggle over land for hours at a time while lungfish found in Australia ,Africa and South America can survive out of water but only in dormant state.
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There are some fish which do not take water. Example- Msngrove Rivulus .

There is walking catfish also.

African lungfish is another example.

A type of killifish called a mummichog navigates visually, jumping up and orienting its body toward the water, according to a recent study. But West African lungfish blow these other fish out of the water: They have gills and a primitive lung.
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The fish can't be eaten are king mackerel, shark, swordfish, and tilefish. These four fish are unsafe and not be eaten and have been designated by U.S Food and Drug Administration. This is because they contain a high level of mercury.
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Shark does not drink water but keep them in their bodies, shark take in Small amount of water through the gills by the process of osmosis 
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The fish known as Magroves rivulus lives in water but does not consume it. Fish typically have gills that allow them to absorb oxygen from the water, but the mangrove fish have some adaptations that allow them to absorb oxygen from the air.
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There is no fish that does not take water. All fish require water to breathe, as they extract dissolved oxygen from the water through their gills.
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Not all fish that live in lakes and oceans drink ocean water.Fresh water fish never drink water because their bodies are saltier than the surrounding water.
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Amphibious fish can survive out of water longer than most types of fish. Mudskippers and lungfish are two of the most common types of amphibious fish, though mudhoppers are also part of the amphibious group.
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The reason behind it is that fishes take or lose water depends upon the amount of concentration of salt in their bodies. In comparison to saltwater fish, fishes of freshwater are much saltier, and to maintain this concentration water flows continuously through the fish body in order to remove the excess amount of salt. Until its body attains equilibrium with surrounding water present around it.
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Ekta lakraanswered Mar 18, 2021

Well answer to your question is yes, the fish which live in freshwater does not take water. It's not like they do not drink water or don't like its taste. The reason behind it is that fishes take or lose water depends upon the amount of concentration of salt in their bodies. In comparison to saltwater fish, fishes of freshwater are much saltier, and to maintain this concentration water flows continuously through the fish body in order to remove the excess amount of salt.
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I'm not aware of any kind of fish that doesn't need water. All fish species are adapted to live underwater and require water to survive since theybreathe through their gills. However, there are fish species that can survive out of water for some time by breathing air, such as lungfish and some catfish species that have modified gill chambers that can function like lungs. 
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All fish live in water and extract oxygen from it using their gills. There isn't a specific type of fish that doesn't "take water." Fish rely on water passing over their gills to extract dissolved oxygen from the water and release carbon dioxide. This process is essential for their respiration.

If you meant something else by "does not take water," please provide more context, and I'll do my best to assist you.
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Every fish needs water to survive, whether they are in a lake or the ocean. Fish need water to maintain their body temperature and perform a number of other physiological processes. They are adapted to take oxygen from the water through their gills. It is Known that no fish can survive without water. A fish that is taken out of the water will eventually suffocate and perish from a lack of oxygen, which is necessary for its survival.
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 The lungfish is a type of fish that is able to survive out of water for long periods of time by breathing air through its lung-like organs. In fact, some species of lungfish can survive for up to four years without water. They can also burrow into the mud when the water they live in dries up, and enter a state of dormancy until the water returns.
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Fish, similar to every amphibian creature, live in water and don't get by beyond it. They depend on water for oxygen through their gills, which concentrate disintegrated oxygen from the water. On the off chance that a fish is out of water for a lengthy period, it will encounter hardships breathing and in the end choke. In this way, there is no fish in lakes or seas that can live without water.
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