warm-water fish
nounUK /wɔːm ˈwɔːtə fɪʃ/
US /wɔːrm ˈwɔːtər fɪʃ/
A warm-water fish is a fish that lives in water that is not cold.
The colorful parrotfish is a warm-water fish that swims in the sunny sea.
OTHER MEANINGS
2. A fish kept in a heated aquarium rather than a cold-water tank.
We keep warm-water fish like guppies in the tank by the window.
3. A fish species that prefers water temperatures above about 20 degrees Celsius.
Climate change is pushing some warm-water fish into new areas.
4. Any fish adapted to tropical or subtropical seas, lakes, or rivers.
Angelfish are popular warm-water fish in home aquariums.