
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
Rectangle Triggerfish
Spotted Hawkfish
Threadfin Cardinalfish
Orbiculate Cardinalfish
Magnificent Rabbitfish
Crown Squirrelfish
Banggai Cardinalfish
Overview Endemic to the Banggai Islands of Indonesia, typically inhabiting shallow reefs and seagrass beds. Recognizable for its distinctive silver body, bold black vertical stripes, and white spots. Calm and peaceful nature, making it suitable for community reef...
Darkfin Soldierfish
Overview Found in the Indo-Pacific region. Known for their reddish coloration and deep body shape, typical of soldierfish. They have large eyes, adapted for nocturnal activity. Shadowfin soldierfish are often found in caves or under ledges. Feeding They are nocturnal...
Coral Hawkfish
Coral Grouper
Coral Beauty Angelfish
Orange-Lined Cardinalfish
Barhead Spinefoot
Violet Soldierfish
Queen Triggerfish
Blue Throat Triggerfish
Pajama Cardinalfish
Orange-Spotted Spinefoot
Blackbelly Triggerfish
Longnose Hawkfish
Swallowtail Hawkfish
Falco Hawkfish
Peacock Grouper
Marine Betta
Ochre-striped Cardinalfish
Tobacco Basslet
White-streaked Grouper
Seale’s Cardinalfish
Lyretail Grouper
Foxface Rabbitfish
Coral Rabbitfish
Arabian Picasso Triggerfish
Flame Hawkfish
Humpback Grouper
Five-lined Cardinalfish
Half Black Angelfish
Lyretail Hogfish
Redcoat Squirrelfish
Speckled Blue Grouper
Twospot Cardinalfish
Halfmoon Triggerfish
One Spot Foxface Rabbitfish
Hawaiian Squirrelfish
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...