
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
Long-Spined Pufferfish
Hawaiian Whitespotted Toby
Whitecheek Tang
Foxface Rabbitfish
Coral Rabbitfish
Flame Hawkfish
Swallowtail Hawkfish
Falco Hawkfish
Crowned Toby
Black-Spotted Pufferfish
Narrow-Lined Pufferfish
Convict Tang
Powder Blue Surgeonfish
Yellow Tang
Spotted Hawkfish
Starry Pufferfish
Purple Tang
One Spot Foxface Rabbitfish
Blue Tang
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....
Kole Tang
Half Black Angelfish
Compressed Toby
Guineafowl Pufferfish
Masked Pufferfish
Mimic Tang
Powder Brown Surgeonfish
Barhead Spinefoot
Valentini Puffer
White-Spotted Pufferfish
Brown Tang
Magnificent Rabbitfish
Longnose Filefish
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...