
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
Purple Tilefish
Sixline Soapfish
Yellowtail Coris Wrasse
Spanish Hogfish
Scarlet Frogfish
Steinitz’s Shrimp Goby
Whitecheek Tang
Peacock Wrasse
Blackray Shrimp Goby
Magnificent Rabbitfish
Longnose Filefish
Cleaner Wrasse
Blackeye Thicklip Wrasse
Yellow Coris Wrasse
Neon Goby
Harlequin Tuskfish
Axilspot Hogfish
Spotted shrimp goby
Mimic Tang
Powder Brown Surgeonfish
Yellow Tang
Barhead Spinefoot
Marcos’ Wrasse
Sharknose Goby
Clown Wrasse
Spotfin Hogfish
Spotted Wrasse
Randall’s Shrimp Goby
Purple Tang
Diamond Goby
Belted Wrasse
Orange-Spotted Spinefoot
Gulf Toadfish
Bicolor Cleaner Wrasse
Dusky Wrasse
Pastel Green Wrasse
Kole Tang
Split-Level Hogfish
Blue-Spotted Wrasse
Diagonal Shrimp Goby
Orange Shoulder Tang
Atlantic Blue Tang
Ward’s Sleeper Goby
Shortnose Unicornfish
Zigzag Wrasse
Yellow Clown Goby
Solar Fairy Wrasse
Striated Frogfish
Rainford’s Goby or Court Jester Goby
Wide-Banded Shrimp Goby
Brown Tang
Moon Wrasse
Foxface Rabbitfish
Coral Rabbitfish
Peacock Wrasse
Decorated Goby
Radiant Wrasse
Curious Wormfish
Pink Speckled Shrimp Goby
Blackfin Hogfish
Sleeper Banded Goby, Brownbarred Goby
Indian Ocean Mimic Tang
Lined Surgeonfish
Achilles Tang
The Golden Head Sleeper Goby
Fourline Wrasse
Tail-spot wrasse
Yellow Watchman Goby
Redfin Fairy Wrasse
Warty Frogfish
Wheeler’s Shrimp Goby
Sohal Tang
Indian Ocean Sailfin Tang
Sixbar Wrasse
One Spot Foxface Rabbitfish
Blue Tang
Allen’s Wrasse
Barred Hamlet
Native to the Western Pacific Ocean. Known for the elongated filaments on the dorsal fin of males, used in their flashing displays. Small and slender-bodied, with vibrant coloration that intensifies during courtship. Peaceful and active, preferring reef environments...