
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.
Tobacco Basslet
Zigzag Wrasse
Spotted Hawkfish
Moon Wrasse
Longnose Hawkfish
Cleaner Wrasse
Radiant Wrasse
Swallowtail Hawkfish
Peacock Grouper
Marine Betta
Axilspot Hogfish
Striated Wrasse
Overview Native to the Indo-Pacific region, typically inhabiting coral-rich reefs and rocky areas. Characterized by its slender, reddish body with horizontal white stripes and iridescent blue markings on the face and fins. Known for being shy and secretive, often seen...
Tail-spot wrasse
Spanish Hogfish
Sixbar Wrasse
Flame Hawkfish
Stark’s Tilefish
Checkerboard Wrasse
Coral Hawkfish
Half Black Angelfish
Split-Level Hogfish
Porkfish
Fourline Wrasse
Sixline Soapfish
Spotfin Hogfish
Belted Wrasse
Peacock Wrasse
Blackeye Thicklip Wrasse
Pastel Green Wrasse
Harlequin Tuskfish
Herald’s Angelfish
Blackfin Hogfish
Marcos’ Wrasse
Yellowtail Coris Wrasse
Peacock Wrasse
Filamented Flasher Wrasse
Overview 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...