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Because they need some of the bacteria in the salt water to live. the fresh water doesen't provide the certin bacteria that the other water has.

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What carnivores live in fresh water?

Some carnivores that live in freshwater environments include otters, alligator gar, pike, snapping turtles, and bull sharks. These species rely on fish, insects, crustaceans, and sometimes other animals as their primary food sources.


What is the diffence between otter and water rat?

Otters are aquatic mammals known for their streamlined bodies and webbed feet, while water rats, or water voles, are rodents that live near waterways. Otters are carnivorous predators, while water rats are herbivores. Otters are known for their playful behavior, while water rats are more elusive.


What mammals live in salt water?

Whales and porpoises live their entire lives in salt water.Manatees inhabit tidal zones; they can spend a lot of time in salt water, but they must find fresh water to drink.Seals, sea lions and walruses are considered semi-aquatic. They are born on land and only spend part of their time in the water.Sea otters can walk on land, but are usually born in the ocean and spend all their time there. Marine otters are a similar species; little is known of their behavior, but they do seem to spend more time on land than sea otters.


What plant is green and lives in water?

water lilykelpgreen algaduckweedreed macewater starworteelgrasscoontailmusk grasswater poppywatercressetc.


Where do Otters live?

Otters are found throughout the world on all continents except for Australia and Antarctica. They live near rivers, springs, streams, lakes and other inland waterways, while sea otters live along the coastlines.

Related Questions

Do otters live in fresh water?

There are both freshwater (river otters) and salt water otters.


Do sea otters live in salt water or fresh water?

they live in salt and fres


What non mammals live in fresh water?

River otters live in the shores of fresh water regions. River otters live on river shores. River otters hold there breath when going under water. They also use sticks and branches to build a dam in the water.


Are there otters other than sea otters?

Yes. Otters live in and around water. They're aquatic and they are found in both fresh and salt water. About a dozen different species inhabit the planet. A link can be found below for more information.


What types of animals live in water?

lots live in water like fishes and sea mammals (otters, seals, dolphins, sealions,whales. i.e) but it depends on what water it is, fresh or sea (salty)


Were do otters live!?

In the water


Do otters live exclusively in water?

Otters are a semi-aquatic mammal. So they don't live exclusively in water.


Can salt water shrimps live in fresh water?

most likely not. they'er "salt water" shrimps so they cant live in fresh water. sorry if that didnt answer your question.


Why don'tcan't killer whales live in fresh water?

i think killer whales cant live in fresh water because the need to eat and all of the big fish are in salt water


What carnivores live in fresh water?

Some carnivores that live in freshwater environments include otters, alligator gar, pike, snapping turtles, and bull sharks. These species rely on fish, insects, crustaceans, and sometimes other animals as their primary food sources.


Were do sea otters live?

In the water


What animals live in fresh and salt water?

There are algae, corals, seaweed, etc., etc.,etc.