
Popular Saltwater Fish Species for your Aquarium
Here are some of the most popular saltwater fish species that are commonly kept in aquariums, each with unique characteristics and care requirements.
A common rule of thumb for how many marine fish you can keep in an aquarium is to allow 1 inch of fish per gallon of water; however, this can vary depending on the specific fish species and their size, with reef tanks generally requiring even more space per fish due to their larger waste output and need for swimming room.
Sailfin Tang
Rectangle Triggerfish
Queen Triggerfish
Sohal Tang
Indian Ocean Sailfin Tang
Orbiculate Cardinalfish
Picasso Triggerfish
Bluespine Unicorn Tang
Overview Found in the Indo-Pacific region. Known for their distinctive long horn-like protrusion on their forehead, which develops with age. They have a laterally compressed body and a lunate tail. Unicorn tangs are active swimmers and often seen grazing on algae....
Pineapplefish
Peacock Grouper
Marine Betta
Ochre-striped Cardinalfish
Ocellaris Clownfish
Convict Tang
Powder Blue Surgeonfish
Yellow Tang
Shortnose Unicornfish
Seale’s Cardinalfish
Whitecheek Tang
Blue Throat Triggerfish
Pajama Cardinalfish
Banggai Cardinalfish
Overview Endemic to the Banggai Islands of Indonesia, typically inhabiting shallow reefs and seagrass beds. Recognizable for its distinctive silver body, bold black vertical stripes, and white spots. Calm and peaceful nature, making it suitable for community reef...
Naso Tang
Overview Found in the Indo-Pacific region. Known for their distinctive appearance, including a prominent nose horn (more developed in males) and vibrant coloration. They have a laterally compressed body and a lunate tail. Naso tangs are active swimmers and often seen...
Five-lined Cardinalfish
Half Black Angelfish
Lyretail Hogfish
Orange Skunk Clownfish
Maldives Clownfish
Mimic Tang
Powder Brown Surgeonfish
Sargassum Triggerfish
White-streaked Grouper
Twospot Cardinalfish
Purple Tang
Lyretail Grouper
Blackbelly Triggerfish
Maroon Clownfish
Overview Native to the Indo-Pacific, commonly inhabiting coral reefs and lagoon areas. Recognizable by its deep maroon coloration with distinctive white or yellowish vertical bands. Known for bold personality, territorial nature, and striking appearance. Popular among...