
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.
Starry Dragonet
Fourline Wrasse
Tail-spot wrasse
Yellowtail Coris Wrasse
Spanish Hogfish
Lyretail Grouper
Belted Wrasse
Orange-Spotted Spinefoot
Longnose Filefish
Cleaner Wrasse
Radiant Wrasse
Bird Wrasse
Lubbock’s Fairy Wrasse
Peacock Grouper
Marine Betta
Axilspot Hogfish
Spotted Mandarin
Purple Tilefish
Sixline Soapfish
Clown Wrasse
Spotfin Hogfish
Moon Wrasse
Foxface Rabbitfish
Coral Rabbitfish
Peacock Wrasse
Bicolor Cleaner Wrasse
Checkerboard Wrasse
Fingered Dragonet
Harlequin Tuskfish
Half Black Angelfish
Split-Level Hogfish
Blue-Spotted Wrasse
Barhead Spinefoot
Marcos’ Wrasse
White-streaked Grouper
Solar Fairy Wrasse
Spotted Wrasse
Sixbar Wrasse
One Spot Foxface Rabbitfish
Chalk Bass
Allen’s Wrasse
Blackeye Thicklip Wrasse
Yellow Coris Wrasse
Humpback Grouper
Bluelined Hind
Herald’s Angelfish
Blackfin Hogfish
Tobacco Basslet
Zigzag Wrasse
Speckled Blue Grouper
Redfin Fairy Wrasse
Peacock Wrasse
Mandarin Dragonet
Magnificent Rabbitfish
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...
Hawaiian Cleaner Wrasse
Overview Found in the Indo-Pacific region. Known for their role in cleaning other fish by removing parasites. They have a slender body and a distinctive swimming pattern. Cleaner wrasses establish cleaning stations on the reef. Feeding They are primarily carnivores....