He or she is called an aquarist .
Possibly an "Aquarist"
an aquarium or habitat
Maui Ocean center "The Hawaiian Aquarium"
A worker.
An aquarist!
coral , seaweed
no it is a searies
'' Aquarist''
That's called an aquarium.
Cladophora
aquarium
a terrarium empty.
The biggest Tennessee aquarium is actually called "Tennessee aquarium", it is voted to be the best Chattanooga attraction. You can watch many sorts of fishes swim around there.