
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
Valentini Puffer
Starry Pufferfish
Blackbelly Triggerfish
Convict Blenny
Overview Native to the Indo-Pacific region, typically inhabiting coral reefs and rocky crevices. Distinctive eel-like body with striking black and white horizontal stripes, resembling a "convict" pattern. Known for its unique burrowing and schooling behavior, often...
Crowned Toby
Clown Triggerfish
Immaculate Pufferfish
Rectangle Triggerfish
Caribbean Sharpnose Puffer
White-Spotted Pufferfish
Arabian Picasso Triggerfish
Longnose Filefish
Compressed Toby
Black-Spotted Pufferfish
Narrow-Lined Pufferfish
Smith’s Fangblenny
Hawaiian Whitespotted Toby
Blue Throat Triggerfish
Picasso Triggerfish
Five-lined Cardinalfish
Ambon Puffer
Guineafowl Pufferfish
Masked Pufferfish
Long-Spined Pufferfish
Queen Triggerfish
Halfmoon Triggerfish
Bluestriped Fangblenny
Overview Native to the Indo-Pacific region, commonly found near coral reefs and lagoon habitats. Distinctive slender body with alternating bright blue and black horizontal stripes. Known for its unique behavior of mimicking cleaner wrasses to approach other fish and...