They appear to swim through their glass case like aquarium fish.

The attractive appearance of juveniles make them possible aquarium fish, but they do not survive well in captivity.

This fish requires more food than most small aquarium fish.

He's kept tropical aquarium fish since he was 8 years old.

Some aquarium fish and invertebrates also eat live plants.

They were discovered last year by a relative who wanted to use an aquarium tank that was stored in the garage.

Many factors must be balanced in the closed system of an aquarium tank to ensure the success of an aquascape.

Two aquarium tanks had been filled with cloudy water from the inlet that morning.

Is it time to retire the argument that octopuses confined to aquarium tanks rightly act as 'ambassadors' for their species, so that we humans may learn more about them?

A lighting system was set up above the aquarium tanks.

They also carry an assortment of freshwater aquarium products and equipment for ponds, water features and water gardens.

The park also offers unique wildlife near the springs, including alligators and a freshwater aquarium.

The inhabitants of a marine aquarium are often difficult to acquire and are usually more expensive than freshwater aquarium inhabitants.

Some smaller toadfish from brackish-water habitats have been exported as freshwater aquarium fishes.

Calcium carbonate substrates are poorly suited to aquaria housing most other freshwater aquarium fish, particularly river species, which are adapted to soft water.