aquariumfish
nounUK /əˈkwɛəriəm fɪʃ/
US /əˈkwɛriəm fɪʃ/
A fish that people keep in a glass tank at home.
My little sister loves watching the aquariumfish swim around the tank.
OTHER MEANINGS
2. A fish that is suitable for being kept in an aquarium.
The store sells many kinds of aquariumfish, like guppies and tetras.
3. Any small fish kept for decoration rather than for food.
He breeds aquariumfish as a hobby.
4. A fish living in a tank or artificial pond.
The aquariumfish need clean water and the right temperature.