salt water
You can raise a sea urchin in a salt-water aquarium. There are no fresh water sea urchins so you would need a salt-water aquarium to properly care for the urchin.
flounders live in salt water. flounders can't live in fresh water
they live in salt water
All octopi, octopuses, live in salt water, but i recommend you ask a professional.
They live in salt water They live in salt water
salt water
Yes, Plankton can live on fresh OR salt water.
No extant amphibians live in salt water.
they live in salt and fres
no a salt water snail has to be in salt water
Salt.
It lives in Fresh water.