
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.
Sailfin Tang
Rectangle Triggerfish
Twospot Cardinalfish
Purple Tang
Halfmoon Triggerfish
One Spot Foxface Rabbitfish
Princess Parrotfish
Banggai Cardinalfish
Overview Endemic to the Banggai Islands of Indonesia, typically inhabiting shallow reefs and seagrass beds. Recognizable for its distinctive silver body, bold black vertical stripes, and white spots. Calm and peaceful nature, making it suitable for community reef...
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...
Pineapplefish
Herald’s Angelfish
Ochre-striped Cardinalfish
Orange Shoulder Tang
Atlantic Blue Tang
Yellow Tang
Shortnose Unicornfish
Threadfin Cardinalfish
Brown Tang
Orbiculate Cardinalfish
Magnificent Rabbitfish
Blackbelly Triggerfish
Blue Tang
Banded Pipefish
Five-lined Cardinalfish
Coral Beauty Angelfish
Indian Ocean Mimic Tang
Lined Surgeonfish
Achilles Tang
Sargassum Triggerfish
Queen Triggerfish
Sohal Tang
Indian Ocean Sailfin Tang
Pajama Cardinalfish
Orange-Spotted Spinefoot
Arabian Picasso Triggerfish
Longnose Filefish
Kole Tang
Bicolor Parrotfish
Clown Triggerfish
Convict Tang
Powder Blue Surgeonfish
Barhead Spinefoot
Seale’s Cardinalfish
Whitecheek Tang
Blue Throat Triggerfish
Foxface Rabbitfish
Coral Rabbitfish
Picasso Triggerfish
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....