
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
Singular Bannerfish
Yellow Longnose Butterflyfish
Vagabond Butterflyfish
Rainford’s Butterflyfish
Threadfin Butterflyfish
Brown Tang
Princess Parrotfish
Pennant Bannerfish
Copperband Butterflyfish
Latticed Butterflyfish
Meyer’s Butterflyfish
Lined Butterflyfish
Collare Butterflyfish
Eastern Triangle Butterflyfish
Coral Grouper
Coral Beauty Angelfish
Orange Shoulder Tang
Atlantic Blue Tang
Yellow Tang
Red Sea bannerfish
White-streaked Grouper
Teardrop Butterflyfish
Spotband Butterflyfish
Sohal Tang
Indian Ocean Sailfin Tang
Blue Tang
Big Longnose Butterflyfish
Pacific Double-Saddle Butterflyfish
Fourspot Butterflyfish
Merten’s Butterflyfish
Orangeface Butterflyfish
Four-Eyed Butterflyfish
Blacktail Butterflyfish
Peacock Grouper
Indian Ocean Mimic Tang
Lined Surgeonfish
Achilles Tang
Tobacco Basslet
Schooling Bannerfish
Speckled Blue Grouper
Tinker’s Butterflyfish
Raccoon Butterflyfish
Whitecheek Tang
Moorish Idol
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...