
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
Spotfin Hogfish
Sixbar Wrasse
Magnificent Rabbitfish
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...
Dusky Wrasse
Humpback Grouper
Coral Grouper
Coral Beauty Angelfish
Axilspot Hogfish
Yellowtail Coris Wrasse
Spotted Wrasse
Belted Wrasse
Orange-Spotted Spinefoot
Hawaiian Cleaner Wrasse
Overview Found in the Indo-Pacific region. Known for their role in cleaning other fish by removing parasites. They have a slender body and a distinctive swimming pattern. Cleaner wrasses establish cleaning stations on the reef. Feeding They are primarily carnivores....
Checkerboard Wrasse
Harlequin Tuskfish
Peacock Grouper
Split-Level Hogfish
Ochre-striped Cardinalfish
Clown Wrasse
Blue Throat Triggerfish
Foxface Rabbitfish
Coral Rabbitfish
Bicolor Cleaner Wrasse
Pastel Green Wrasse
Five-lined Cardinalfish
Half Black Angelfish
Blackfin Hogfish
Blue-Spotted Wrasse
Spanish Hogfish
Lyretail Grouper
One Spot Foxface Rabbitfish
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...