
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
Twin-Spot Goby
Yellow Clown Goby
Yellow Watchman Goby
Starry Pufferfish
Steinitz’s Shrimp Goby
Whitecheek Tang
Lyretail Grouper
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....
Neon Goby
Humpback Grouper
Bluelined Hind
Herald’s Angelfish
Ambon Puffer
Map Pufferfish
Sleeper Banded Goby
Indian Ocean Mimic Tang
Lined Surgeonfish
Achilles Tang
Yellow Tang
Tobacco Basslet
White-streaked Grouper
Valentini Puffer
White-Spotted Pufferfish
Randall’s Shrimp Goby
Purple Tang
Diamond Goby
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...