
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
Shortnose Unicornfish
Threadfin Cardinalfish
Brown Tang
Halfmoon Triggerfish
Arabian Picasso Triggerfish
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...
Kole Tang
Coral Beauty Angelfish
Orange-Lined Cardinalfish
Mimic Tang
Powder Brown Surgeonfish
Yellow Tang
Queen Triggerfish
Sohal Tang
Indian Ocean Sailfin Tang
Orbiculate Cardinalfish
Picasso Triggerfish
Phantom Bannerfish
Five-lined Cardinalfish
Marine Betta
Ochre-striped Cardinalfish
Orange Shoulder Tang
Atlantic Blue Tang
Sargassum Triggerfish
Seale’s Cardinalfish
Whitecheek Tang
Moorish Idol
Pajama Cardinalfish
Blue Tang
Masked Bannerfish
Half Black Angelfish
Lyretail Hogfish
Indian Ocean Mimic Tang
Lined Surgeonfish
Achilles Tang
Rectangle Triggerfish
Twospot Cardinalfish
Purple Tang
Blue Throat Triggerfish
Blackbelly 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....