
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
Yellowhead Jawfish
Overview Found in the western Atlantic Ocean, including the Caribbean Sea. Known for their bright yellow head and elongated body. They have a large mouth and are often seen hovering near their burrows. Yellowhead jawfish are peaceful and have a distinctive behavior of...
Hawaiian Whitespotted Toby
Seale’s Cardinalfish
Mandarin Dragonet
Blackbelly Triggerfish
Longnose Filefish
Pineapplefish
Coral Beauty Angelfish
Clown Triggerfish
Immaculate Pufferfish
Ochre-striped Cardinalfish
Starry Dragonet
Long-Spined Pufferfish
Queen Triggerfish
Twospot Cardinalfish
Halfmoon Triggerfish
Arabian Picasso Triggerfish
Goldspecs Jawfish
Overview Found in various marine environments worldwide. Known for their characteristic large mouths and burrowing behavior. They have elongated bodies and are often colorful. Jawfish are peaceful and have a distinctive behavior of building and inhabiting burrows....
Five-lined Cardinalfish
Crowned Toby
Black-Spotted Pufferfish
Narrow-Lined Pufferfish
Spotted Mandarin
Valentini Puffer
Starry Pufferfish
Threadfin Cardinalfish
Orbiculate Cardinalfish
Picasso Triggerfish
Rosenblatt’s Jawfish
Half Black Angelfish
Compressed Toby
Guineafowl Pufferfish
Masked Pufferfish
Rectangle Triggerfish
Caribbean Sharpnose Puffer
White-Spotted Pufferfish
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...