
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...
Threadfin Cardinalfish
Pajama Cardinalfish
Orange-Spotted Spinefoot
Blackbelly 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
Coral Beauty Angelfish
Barhead Spinefoot
Queen Triggerfish
Blue Throat Triggerfish
Foxface Rabbitfish
Coral Rabbitfish
Arabian Picasso Triggerfish
Rosenblatt’s Jawfish
Atlantic Spadefish
Clown Triggerfish
Redcoat Squirrelfish
Seale’s Cardinalfish
Halfmoon Triggerfish
One Spot Foxface Rabbitfish
Hawaiian Squirrelfish
Picasso Triggerfish
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...
Half Black Angelfish
Orange-Lined Cardinalfish
Rectangle Triggerfish
Twospot Cardinalfish
Orbiculate Cardinalfish
Magnificent Rabbitfish
Crown Squirrelfish
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...