IPA: /əˈkwɛrɪst/
KK: /əˈkwɛrɪst/
A person who takes care of an aquarium, including the fish and plants inside it.
The aquarist spent hours cleaning the tank and feeding the fish.
Aquarist → It is formed from "aqua" (from Latin, meaning water) and "-ist" (meaning one who practices or is concerned with). An aquarist is someone who is involved with or takes care of aquatic life, particularly in an aquarium setting.
Think of 'aqua' meaning water, and remember that an aquarist is someone who cares for life in water.