freshwater fish
nounUK /ˈfrɛʃwɔːtə fɪʃ/
US /ˈfrɛʃwɔːtər fɪʃ/
A freshwater fish is a fish that lives in rivers, lakes, and ponds, not in the sea.
We caught a small freshwater fish in the river near our house.
OTHER MEANINGS
2. Any fish species adapted to live in water with low salt content.
Trout and carp are common freshwater fish.
3. A fish kept in a home aquarium rather than a saltwater tank.
He keeps freshwater fish like guppies and tetras.
4. Fish caught for food from inland waters.
The market sells freshwater fish from local lakes.