
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.
Redcoat Squirrelfish
Hawaiian Whitespotted Toby
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...
Four-Stripe Damselfish
Crowned Toby
Narrow-Lined Pufferfish
Long-Spined Pufferfish
Starry Pufferfish
Crown Squirrelfish
Phantom Bannerfish
Half Black Angelfish
Compressed Toby
Masked Pufferfish
Valentini Puffer
White-Spotted Pufferfish
Lemon Damselfish
Overview Native to the Indo-Pacific, commonly found in coral reefs and shallow lagoons. Easily identifiable by its vibrant yellow body and occasionally subtle blue markings around its face and fins. Known for being hardy, active, and moderately territorial; suitable...
Masked Bannerfish
Herald’s Angelfish
Ambon Puffer
Porkfish
Caribbean Sharpnose Puffer
Sergeant Major
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...