
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
Speckled Blue Grouper
Twospot Cardinalfish
Halfmoon Triggerfish
Arabian Picasso Triggerfish
Longnose Hawkfish
Redbarred Hawkfish
Bluelined Hind
Herald’s Angelfish
Clown Triggerfish
Pink Skunk Clownfish
Clarkii Clownfish
Tobacco Basslet
Spotted Hawkfish
Threadfin Cardinalfish
Orbiculate Cardinalfish
Picasso Triggerfish
Flame Hawkfish
Coral Hawkfish
Coral Grouper
Coral Beauty Angelfish
Orange-Lined Cardinalfish
Percula Clownfish
Rectangle Triggerfish
Queen Triggerfish
Blue Throat Triggerfish
Pajama Cardinalfish
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...
Swallowtail Hawkfish
Falco Hawkfish
Peacock Grouper
Marine Betta
Ochre-striped Cardinalfish
Ocellaris Clownfish
White-streaked Grouper
Seale’s Cardinalfish
Lyretail Grouper
Blackbelly Triggerfish
Maroon Clownfish
Overview Native to the Indo-Pacific, commonly inhabiting coral reefs and lagoon areas. Recognizable by its deep maroon coloration with distinctive white or yellowish vertical bands. Known for bold personality, territorial nature, and striking appearance. Popular among...