
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.
Sargassum Triggerfish
Fourline Wrasse
Tail-spot wrasse
Yellowtail Coris Wrasse
Redfin Fairy Wrasse
Spotted Wrasse
Saddleback Clownfish
Moon Wrasse
Princess Parrotfish
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...
Helfrich’s Firefish
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....
Blackeye Thicklip Wrasse
Yellow Coris Wrasse
Swallowtail Hawkfish
Coral Hawkfish
Bluelined Hind
Split-Level Hogfish
Clown Triggerfish
Tobacco Basslet
Purple Tilefish
Sixline Soapfish
Clown Wrasse
Spanish Hogfish
Saddleback Clownfish
Peacock Wrasse
Sixbar Wrasse
Blackbelly Triggerfish
Longnose Hawkfish
Decorated Dartfish
Overview Found in the Indo-Pacific region. Known for their elegant appearance with elongated dorsal fin rays and vibrant coloration, often including shades of purple, red, and white. They have a slender body and a peaceful demeanor. Decorated dartfish are often seen...
Cleaner Wrasse
Dusky Wrasse
Pastel Green Wrasse
Humpback Grouper
Falco Hawkfish
Bicolor Parrotfish
Blackfin Hogfish
Blue-Spotted Wrasse
Rectangle Triggerfish
Marcos’ Wrasse
White-streaked Grouper
Spotted Hawkfish
Spotfin Hogfish
Cinnamon Clownfish
Blue Throat Triggerfish
Halfmoon Triggerfish
Arabian Picasso Triggerfish
Flame Hawkfish
Peacock Wrasse
Bicolor Cleaner Wrasse
Radiant Wrasse
Bird Wrasse
Messmate Pipefish
Lubbock’s Fairy Wrasse
Coral Grouper
Diana’s Hogfish
Zebra Dartfish
Zigzag Wrasse
Speckled Blue Grouper
Solar Fairy Wrasse
Queen Triggerfish
Tomato Clownfish
Lyretail Grouper
Belted Wrasse
Picasso Triggerfish
Firefish Goby
Overview Found in the Indo-Pacific region. Known for their striking appearance with elongated dorsal and caudal fin rays, and vibrant coloration, typically red, white, and yellow. They have a slender body and a peaceful demeanor. Magnificent dartfish are often seen...