aquarist

[ uh-kwair-ist ]
/ əˈkwɛər ɪst /

noun

a curator, collector, or ichthyologist associated with an aquarium.

Origin of aquarist

First recorded in 1890–95; aquar(ium) + -ist

British Dictionary definitions for aquarist

aquarist
/ (ˈækwərɪst) /

noun

the curator of an aquarium
a person who studies aquatic life