
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.
Long-Spined Pufferfish
Caribbean Sharpnose Puffer
Starry Pufferfish
Whitecheek Tang
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...
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
Half Black Angelfish
Compressed Toby
Diana’s Hogfish
Masked Pufferfish
Lined Surgeonfish
Yellowtail Coris Wrasse
Hawaiian Whitespotted Toby
White-Spotted Pufferfish
Lyretail Grouper
Longnose Filefish
Bicolor Cleaner Wrasse
Pastel Green Wrasse
Bluelined Hind
Herald’s Angelfish
Ambon Puffer
Axilspot Hogfish
Blue-Spotted Wrasse
Clown Wrasse
Spanish Hogfish
Spotted Wrasse
Sixbar Wrasse
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....
Blackeye Thicklip Wrasse
Bird Wrasse
Coral Grouper
Coral Beauty Angelfish
Split-Level Hogfish
Map Pufferfish
Mimic Tang
Valentini Puffer
Spotfin Hogfish
Sohal Tang
Belted Wrasse
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...