What are the differences between COD and Trout?

Murray & Trout Cod Differences. Anglers who fish in waters where trout cod occur need to be able to differentiate the species from Murray cod. This is because trout cod are an endangered species and are totally protected by law. read more

Cod are exclusively salt water fish. They do not, can not move into fresh water because their body chemistry could not handle it. Osmosis would cause much fluid transfer across the membrane of their skin. read more

As nouns the difference between trout and fish is that trout is any of several species of fish in salmonidae, closely related to salmon, and distinguished by spawning more than once while fish is (countable) a cold-blooded vertebrate animal that lives in water, moving with the help of fins and breathing with gills or fish can be (obsolete) a counter, used in various games. read more

The rainbow trout is a species of salmonid. On the west coast of the United States, there is a sea run form of rainbow trout called steelhead which usually returns after two to three years at sea. They are the same species, the difference is that the steelhead migrate from salt water to spawn in fresh water. read more