
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.
Redcoat Squirrelfish
Spotfin Hogfish
Lyretail Grouper
Crown Squirrelfish
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...
Phantom Bannerfish
Dusky Wrasse
Humpback Grouper
Peacock Grouper
Split-Level Hogfish
Blue-Spotted Wrasse
Yellowtail Coris Wrasse
Spotted Wrasse
Sixbar Wrasse
Maroon Clownfish
Overview Native to the Indo-Pacific, commonly inhabiting coral reefs and lagoon areas. Recognizable by its deep maroon coloration with distinctive white or yellowish vertical bands. Known for bold personality, territorial nature, and striking appearance. Popular among...
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...
Masked Bannerfish
Checkerboard Wrasse
Harlequin Tuskfish
Half Black Angelfish
Blackfin Hogfish
Mimic Tang
Clown Wrasse
Sohal Tang
Belted Wrasse
Longnose Filefish
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....
Longfin Bannerfish
Pastel Green Wrasse
Bluelined Hind
Herald’s Angelfish
Diana’s Hogfish
Orange Shoulder Tang
Spanish Hogfish
Whitecheek Tang
Hawaiian Squirrelfish
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....