Language: is it correct: sea fish in opposition freshwater lake fish ?

Question

Language: is it correct: sea fish in opposition freshwater lake fish ?

Answer 1

It's actually fresh water fish vs salt water fish

Answer 2

Normally creatures from the Sea are just called by name, for instance Cod or Haddock, the fresh water equivalents are usually called by name with the word Lake sometimes in front as in Lake Perch, but not always as you have Tulapia, Catfish and Salmon called just by name as well.

Answer 3

it should be "sea fish in opposition to freshwater lake fish" I think

Answer 4

sea fish in opposition with freshwater lake fish