
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
Schooling Bannerfish
Vagabond Butterflyfish
Rainford’s Butterflyfish
Threadfin Butterflyfish
Blue Throat Triggerfish
Magnificent Rabbitfish
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...
Pacific Double-Saddle Butterflyfish
Blackback Butterflyfish
Collare Butterflyfish
Peacock Grouper
Convict Tang
Atlantic Blue Tang
Sargassum Triggerfish
Shortnose Unicornfish
Pyramid Butterflyfish
Teardrop Butterflyfish
Spotband Butterflyfish
Purple Tang
Halfmoon Triggerfish
Orange-Spotted Spinefoot
Picasso Triggerfish
Horned Bannerfish
Latticed Butterflyfish
Lined Butterflyfish
Four-Eyed Butterflyfish
Marine Betta
Mimic Tang
Barhead Spinefoot
Singular Bannerfish
Yellow Longnose Butterflyfish
Tinker’s Butterflyfish
Raccoon Butterflyfish
Brown Tang
Foxface Rabbitfish
Coral Rabbitfish
Blue Tang
Pennant Bannerfish
Fourspot Butterflyfish
Klein’s Butterflyfish
Burgess’ Butterflyfish
Lyretail Hogfish
Orange Shoulder Tang
Tobacco Basslet
Red Sea bannerfish
Pearlscale Butterflyfish
Mirror Butterflyfish
Saddleback Butterflyfish
Indian Ocean Sailfin Tang
One Spot Foxface Rabbitfish
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....