
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
Indian Ocean Sailfin Tang
One Spot Foxface Rabbitfish
Blackbelly Triggerfish
Longnose Hawkfish
Blue Hamlet
Herald’s Angelfish
Convict Tang
Atlantic Blue Tang
Sargassum Triggerfish
Spotted Hawkfish
Blue Throat Triggerfish
Magnificent Rabbitfish
Arabian Picasso Triggerfish
Flame Hawkfish
Swallowtail Hawkfish
Coral Beauty Angelfish
Mimic Tang
Barhead Spinefoot
Purple Tang
Halfmoon Triggerfish
Orange-Spotted Spinefoot
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....
Coral Hawkfish
Marine Betta
Orange Shoulder Tang
Rectangle Triggerfish
Brown Tang
Foxface Rabbitfish
Coral Rabbitfish
Blue Tang
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...