
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.
Red Lionfish
Dwarf Lionfish
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...
Dusky Wrasse
Humpback Grouper
Coral Grouper
Diana’s Hogfish
Mimic Tang
Russell’s Lionfish
Fu Manchu Lionfish
Spotfin Hogfish
Lyretail Grouper
One Spot Foxface Rabbitfish
Radiata Lionfish
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
Axilspot Hogfish
Orange Shoulder Tang
Antennata Lionfish
Yellowtail Coris Wrasse
Spotted Wrasse
Sixbar Wrasse
Magnificent Rabbitfish
Mombasa Lionfish
Bicolor Cleaner Wrasse
Pastel Green Wrasse
Five-lined Cardinalfish
Split-Level Hogfish
Ochre-striped Cardinalfish
Lined Surgeonfish
Zebra Lionfish
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....