
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
Yellow Tang
Zebra Dartfish
Shortnose Unicornfish
Fourline Wrasse
Purple Tilefish
Marcos’ Wrasse
Zigzag Wrasse
Tail-spot wrasse
Sixline Soapfish
Yellowtail Coris Wrasse
Clown Wrasse
Spotted Hawkfish
Solar Fairy Wrasse
Redfin Fairy Wrasse
Spanish Hogfish
Spotfin Hogfish
Seale’s Cardinalfish
Twospot Cardinalfish
Threadfin Cardinalfish
Spotted Wrasse
Saddleback Clownfish
Cinnamon Clownfish
Tomato Clownfish
Saddleback Clownfish or Fire Clownfish
Sohal Tang
Whitecheek Tang
Purple Tang
Brown Tang
Indian Ocean Sailfin Tang
Peacock Wrasse
Moon Wrasse
Sixbar Wrasse
Belted Wrasse
Orbiculate Cardinalfish
Pajama Cardinalfish
Blue Tang
Longnose Hawkfish
Flame Hawkfish
Helfrich’s Firefish
Peacock Wrasse
Allen’s Wrasse
Cleaner Wrasse
Bicolor Cleaner 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...