
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.
Yellowtail Coris Wrasse
Sixbar Wrasse
Magnificent Rabbitfish
Longnose Hawkfish
Pastel Green Wrasse
Harlequin Tuskfish
Coral Beauty Angelfish
Axilspot Hogfish
Spotted Hawkfish
Belted Wrasse
Orange-Spotted Spinefoot
Blackeye Thicklip Wrasse
Bird Wrasse
Five-lined Cardinalfish
Split-Level Hogfish
Ochre-striped Cardinalfish
Spanish Hogfish
Foxface Rabbitfish
Coral Rabbitfish
Dusky Wrasse
Swallowtail Hawkfish
Half Black Angelfish
Blackfin Hogfish
Spotfin Hogfish
One Spot Foxface Rabbitfish
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...