What kind of freshwater fish is this?

Sole fish

Also called fire scales don't grow up.

It is named because fish scales can produce particularly bright and gorgeous flashes.

Widely distributed, I like clean and pollution-free water.

Group activities

And mussels are interdependent.

Look for mussels during the breeding season and lay eggs in open mussels.

As a shelter for hatching fish eggs.

brightly-colored

And individual colors are different.

There is also a body shape, and tall partridges are the most popular.