
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
Azure Damselfish
Brazilian Basslet
Three-Spot Damselfish
Yellowtail Blue Damselfish
Lyretail Grouper
Fathead Sunburst Anthias
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...
Blackcap Basslet
Humpback Grouper
Blue Chromis
Peacock Grouper
Clown Triggerfish
Tobacco Basslet
Carberry’s Anthias
White-streaked Grouper
Reticulated Damselfish
Queen Triggerfish
Halfmoon Triggerfish
Blackbelly Triggerfish
Helfrich’s Firefish
Royal Gramma
Pineapplefish
Black-Axil Chromis
Half Black Angelfish
Rectangle Triggerfish
Violet Soldierfish
Speckled Blue Grouper
Fiji Blue Devil Damselfish
Sergeant Major
Harlequin Bass
Arabian Picasso Triggerfish
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...
Four-Stripe Damselfish
Green Chromis
Bluelined Hind
Herald’s Angelfish
Zebra Dartfish
Saddled Basslet
Barred Soapfish
Talbot’s Damselfish
Blue Throat Triggerfish
Lantern Bass
Picasso Triggerfish
Twospot Soldierfish
Overview Native to the Indo-Pacific region, often found in lagoons and seaward reefs. Recognized by its vibrant red or orange body, distinctive black tips on its dorsal fin, and large eyes. Nocturnal species, typically seeking shelter in caves or crevices during the...