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All freshwater animals need to be surrounded by water. They're designed to exploit its buoyancy, its cleansing, its moisture, the food in it, the way it refracts light (if they're sighted creatures), its relatively constant temperature, its resistance to motion (i.e., its viscosity) and the fact that it carries oxygen.

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How do salt water and freshwater fishes maintain their salt balance?

I have freshwater fish and i use aquarium salt. I put more in every time i do a water change


Why don't fish explode in freshwater?

Fish in freshwater have adapted to regulate their body salts to prevent them from taking in too much water and potentially exploding. They have specialized cells in their gills and kidneys to expel excess water and regulate salt levels in their bodies. This allows them to maintain the proper balance of water and salts to survive in freshwater environments.


Do freshwater fish gain water from or lose water to the environment?

Freshwater fish gain water from their environment through osmosis, as the concentration of solutes in their bodies is higher than that in the surrounding water. To maintain osmotic balance, they do not drink water but instead produce a large volume of dilute urine to expel excess water. This adaptation allows them to counteract the natural tendency to gain water from their freshwater habitat.


What is Saccus vasculosus?

The saccus vasculosus is a small vascular organ often found in the brain of certain fish species. It plays a role in osmoregulation, helping these fish maintain the proper balance of ions and water in their bodies, especially in freshwater environments.


Is a betta fish saltwater or freshwater fish?

Redfish are fresh water


How does a marine fish maintain water balance?

Terrestrial animals maintain their water balance in a number of ways. These animals can develop the capacity to hold a lot of water in dry situations.


Do freshwater fish tend to gain or lose water?

Freshwater fish tend to gain water.


Why is maintaining water balance within the body a different process for freshwater fish than for marine fish?

Freshwater fishes drink very little water and take in little water with their food. Marine fishes must conserve water, and therefore their kidneys excrete little water. To maintain their water balance, marine fishes drink large quantities of seawater, retaining most of the water and excreting the salt.


Are fancy guppies freshwater fish or saltwater fish?

The guppy is a fresh water fish.


What part of a fish that maintain balance?

For most fish, the fins help maintain balance while swimming.


Are glo fishfresh water fish or salt water fish?

freshwater.


Are salt water gills different from fresh water gills?

Yes, saltwater gills are different from freshwater gills due to the distinct environments in which they function. Saltwater fish have gills adapted to excrete excess salt, as they live in a hypertonic environment where water tends to leave their bodies. In contrast, freshwater fish gills are designed to absorb salts and retain water, as they inhabit a hypotonic environment where water naturally enters their bodies. These adaptations ensure that each type of fish can maintain proper osmotic balance in their respective habitats.