The red lizard catfish underwater in the aquarium on a branch

abinash.t.

The red lizard catfish on wood in background of water plants

abinash.t.

Suckermouth catfish (Hypostomus plecostomus) in aquarium with mouth open

sergi.vargas.amengual

Phractocephalus hemioliopterus of the family Pimelodidae in the order Siluriformes

adolf.martinez.soler

Horizontal format full body of a red betta fish with blue eyes.

rodrigo.ojeda

A front closeup of a red longtail betta fish alone on a white background

rodrigo.ojeda

A vertical shot of colorful corals under the water

francesco.ungaro

A closeup shot of small fish in the aquarium

td.juang

A vertical closeup shot of a beautiful pink coral on a coral reef with red fish swimming nearby

mark.kucharski

Two cute Altum angelfishes in the aquarium

arnaut.sebastian

A vertical closeup shot of green and yellow coral reef fishes

mark.kucharski

A photo of a shark swimming among a school of fish at the Georgia Aquarium

photo.rebel

Full body photograph of a red longtail betta fish isolated while swimming in an acrylic tank against a white background.

rodrigo.ojeda

A closeup shot of Roter Piranha swimming in the water

arnaut.sebastian

A closeup of funny piranha fish - underwater life

kristina.angelova

A closeup shot of some beautiful corals and fish under the sea

francesco.ungaro

A closeup shot of beautiful corals and fish under the sea

francesco.ungaro

A closeup shot of red-bellied piranha fish - underwater photograph

kristina.angelova

A top view of koi fishes from Amur carp breed in water

waters.martin

A vertical shot of red-rimmed Melania snail on the aquarium

bärbel.wirth

A closeup underwater shot of an eel hiding in a coral reef with a school of black and white fish

stroev.mikhail

A vertical shot of some beautiful corals surrounded by some small fish

francesco.ungaro

A selective closeup shot of an underwater turtle near fish and coral reefs

mark.kucharski

A selective closeup shot of a yellow fish swimming in coral reefs

mark.kucharski