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Because seawater is so salty, fish must pump out the excess salt. They do this through their kidneys and by using specialized cells in their gills.
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How do fish excrete?
blood in the fish carries the carbon dioxide to the gills where it releaseed into the water
What fish live in salt water?
salt water crocodiles do, and can go from fresh to salt water at will.
Is red snapper a salt or fresh water fish?
Crimson snapper (Pristipomoides filamentosus) is a fish of salt waters.
Why do turtles get rid of salt in their body while nesting?
Female sea turtles get rid of salt in their body while nesting in order to keep sand out of their eyes. They have special glands designed to excrete salt, and the salt is excreted through their eyes.
What animals eat anchovies?
fish they put it in fish food for salt water fish.
What excrete excess salt and water?
The salt glands excrete excess salts and water from the body. The urinary tract is also used for this purpose through the kidney.
How do salt water fish get rid of the salt?
Saltwater fish are able to excrete(get rid of) salt via the gills and via the urine.
How do fish excrete?
blood in the fish carries the carbon dioxide to the gills where it releaseed into the water
Why dont saltwater fish dehydrate?
Because they constantly drink saltwater and excrete salt via the gills.
If a mammal drinks large amounts of salt water what will this do to its urinary output?
Due to its evolutionary descent from fresh water fish mammals get rid of excess salt by flushing it out with excess water. (Fresh water fish always had excess fresh water that was in need of getting rid of, so that is the method they developed and mammals inherited.) If a mammal drinks salt water it tries to get rid of the excess salt by excreting excess water and slowly dehydrates itself to death.
Why do marine fish excrete urine and why in fresh water excrete urea?
Neither marine nor freshwater fish excrete urine or urea; both marine and freshwater fish excrete nitrogenous waste products as pure ammonia.
Do ocean fish avoid building up excess salt by not drinking water?
No. Ocean fish do not "drink" water; they BREATHE water. Their bodies are in equilibrium with the salt in the oceans.
Why does one become thirsty after eating salty foods?
The body wants to excrete the excess salt. This can be done either through the sweat glands, or the kidneys (urine). Either way requires water to dissolve the salt.
What do glands excrete?
Sweat glands excrete sweat ( which is mostly salt and water).
What fish live in salt water?
salt water crocodiles do, and can go from fresh to salt water at will.
How does a saltwater fish desalinate sea water for drinking?
The excess salt is excreted via the gills.
What do sweat glands excrete?
Sweat glands excrete sweat ( which is mostly salt and water).
