Aquarium

An aquarium is a tank filled with water designed to hold species of life which require an aquatic environment.

Kirk and Spock were held in a aquarium in sickbay after a forced mutation restructured their lungs to work under water. 

A Halo fish was kept as a lab animal in a small aquarium in sickbay of the USS Enterprise (NCC-1701). 

A makeshift aquarium was created on a captured Klingon Bird-of-Prey to transport George and Gracie to the 23rd century. 

Captain Jean-Luc Picard kept a fish named Livingston in a spherical aquarium in his ready room. 

Wesley Crusher had an aquarium in his quarters in 2365. 

An aquarium was part of Doctor Paul Stubbs guest quarters aboard the USS Enterprise (NCC-1701-D). 

In early 2366, Counselor Deanna Troi kept a small aquarium in her quarters.