petfish
nounUK /ˈpɛt.fɪʃ/
US /ˈpɛt.fɪʃ/
A petfish is a fish that you keep in a tank or bowl at home.
My petfish swims around its bowl all day.
OTHER MEANINGS
2. A fish kept for company or decoration rather than for food.
She has three petfish in her bedroom.
3. Any small fish sold in pet shops for home aquariums.
The pet shop sells petfish like guppies and goldfish.
4. A fish that someone cares for as a companion animal.
He feeds his petfish every morning before school.