
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
Spanish Hogfish
Whitecheek Tang
Foxface Rabbitfish
Coral Rabbitfish
Naso Tang
Overview Found in the Indo-Pacific region. Known for their distinctive appearance, including a prominent nose horn (more developed in males) and vibrant coloration. They have a laterally compressed body and a lunate tail. Naso tangs are active swimmers and often seen...
Blackeye Thicklip Wrasse
Bird Wrasse
Herald’s Angelfish
Diana’s Hogfish
Mimic Tang
Redcoat Squirrelfish
Spotfin Hogfish
Blue Throat Triggerfish
One Spot Foxface Rabbitfish
Hawaiian Squirrelfish
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...
Dusky Wrasse
Harlequin Tuskfish
Coral Beauty Angelfish
Axilspot Hogfish
Orange Shoulder Tang
Yellowtail Coris Wrasse
Spotted Wrasse
Sixbar Wrasse
Magnificent Rabbitfish
Crown Squirrelfish
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
Five-lined Cardinalfish
Split-Level Hogfish
Ochre-striped Cardinalfish
Lined Surgeonfish
Clown Wrasse
Sohal Tang
Belted Wrasse
Orange-Spotted Spinefoot
Bluespine Unicorn Tang
Overview Found in the Indo-Pacific region. Known for their distinctive long horn-like protrusion on their forehead, which develops with age. They have a laterally compressed body and a lunate tail. Unicorn tangs are active swimmers and often seen grazing on algae....