
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.
Barhead Spinefoot
Valentini Puffer
Foxface Rabbitfish
Coral Rabbitfish
Helfrich’s Firefish
Coral Beauty Angelfish
Black-Spotted Pufferfish
Masked Pufferfish
Redcoat Squirrelfish
Caribbean Sharpnose Puffer
One Spot Foxface Rabbitfish
Hawaiian Squirrelfish
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...
Crowned Toby
Guineafowl Pufferfish
Azure Damselfish
Hawaiian Whitespotted Toby
Magnificent Rabbitfish
Crown Squirrelfish
Half Black Angelfish
Ambon Puffer
Immaculate Pufferfish
Barred Soapfish
White-Spotted Pufferfish
Orange-Spotted Spinefoot
Jewel Damselfish
Overview Found in the Indo-Pacific region, especially around coral reefs, lagoons, and reef flats. Displays an iridescent blue body with jewel-like spots, which become more pronounced under reef lighting. Territorial and bold, especially as it matures, making it...