How did fish reach water bodies that are in elevated places like mountains or plateus?

Question

always wondered how do fish get to places like that. can they really swim that high up???

In: 10

Answer 1

For some species, the body of water was most likely more accessible when the ancestors of the fish got there, then got separated as the land formed over millennia.

Some fish swim up streams.

Some places humans have released fish to create a population.