mudskkipper
salt water crocodiles do, and can go from fresh to salt water at will.
Mud skippers can breath in water and on land. In the water they can swim really fast but on land they skip or jump along the ground. They are only found in salt waters.
They can live in both freshwater and salt water but only certain kinds. They only live in waterways with access to the ocean.
No seahorse can live in tap water they can only live in salt water
Barnacles live only in salt water.
Salt only.
No they can only live in freshwater habitats.
No. Barracudas are salt-water fish. There is no salt water in Minnesota, only fresh water.
no
The only night crawler to live in salt water is the European Night Crawler. It is suitable for bait in brackish salt water. They can live up to 30 minutes in freezing or salty water.
no they cant im afraid unless they were born in tap water. otherwise they can only live in salt water. also, you cannot put salt into water and call that 'salt water' because that is simply dumb.
only fresh water clams can not salt water