
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
Spotted Mandarin
Valentini Puffer
Starry Pufferfish
Threadfin Cardinalfish
Saddleback Clownfish
Brown Tang
Halfmoon Triggerfish
Arabian Picasso Triggerfish
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...
Messmate Pipefish
Coral Beauty Angelfish
Marine Betta
Map Pufferfish
Orange-Lined Cardinalfish
Mimic Tang
Powder Brown Surgeonfish
Yellow Tang
Rectangle Triggerfish
Caribbean Sharpnose Puffer
White-Spotted Pufferfish
Saddleback Clownfish
Sohal Tang
Indian Ocean Sailfin Tang
Orbiculate Cardinalfish
Picasso Triggerfish
Banded Pipefish
Five-lined Cardinalfish
Crowned Toby
Clown Triggerfish
Immaculate Pufferfish
Ochre-striped Cardinalfish
Orange Shoulder Tang
Atlantic Blue Tang
Sargassum Triggerfish
Shortnose Unicornfish
Hawaiian Whitespotted Toby
Seale’s Cardinalfish
Cinnamon Clownfish
Whitecheek Tang
Blue Throat Triggerfish
Pajama Cardinalfish
Blue Tang
Fingered Dragonet
Half Black Angelfish
Compressed Toby
Black-Spotted Pufferfish
Narrow-Lined Pufferfish
Indian Ocean Mimic Tang
Lined Surgeonfish
Achilles Tang
Starry Dragonet
Long-Spined Pufferfish
Queen Triggerfish
Twospot Cardinalfish
Tomato Clownfish
Purple Tang
Mandarin Dragonet
Blackbelly 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....