
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.
Sargassum Triggerfish
Singular Bannerfish
Yellow Longnose Butterflyfish
Vagabond Butterflyfish
Rainford’s Butterflyfish
Threadfin Butterflyfish
Threadfin Cardinalfish
Orbiculate Cardinalfish
Magnificent Rabbitfish
Arabian Picasso Triggerfish
Indigo Basslet
Humpback Grouper
Melon Butterflyfish
Ornate Butterflyfish
Blackback Butterflyfish
Klein’s Butterflyfish
Burgess’ Butterflyfish
Bluelined Hind
Herald’s Angelfish
Clown Triggerfish
Pink Skunk Clownfish
Clarkii Clownfish
Barhead Spinefoot
Red Sea bannerfish
White-streaked Grouper
Teardrop Butterflyfish
Spotband Butterflyfish
Queen Triggerfish
Blue Throat Triggerfish
Pajama Cardinalfish
Orange-Spotted Spinefoot
Picasso Triggerfish
Horned Bannerfish
Copperband Butterflyfish
Golden Butterflyfish
Eightband Butterflyfish
Oval Butterflyfish
Saddleback Butterflyfish
Bennett’s Butterflyfish
Coral Grouper
Coral Beauty Angelfish
Orange-Lined Cardinalfish
Percula Clownfish
Tobacco Basslet
Schooling Bannerfish
Speckled Blue Grouper
Tinker’s Butterflyfish
Raccoon Butterflyfish
Seale’s Cardinalfish
Lyretail Grouper
Foxface Rabbitfish
Coral Rabbitfish
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...
Pennant Bannerfish
Five-lined Cardinalfish
Latticed Butterflyfish
Meyer’s Butterflyfish
Lined Butterflyfish
Collare Butterflyfish
Eastern Triangle Butterflyfish
Peacock Grouper
Marine Betta
Ochre-striped Cardinalfish
Ocellaris Clownfish
Rectangle Triggerfish
Pyramid Butterflyfish
Pearlscale Butterflyfish
Mirror Butterflyfish
Saddleback Butterflyfish
Twospot Cardinalfish
Halfmoon Triggerfish
One Spot Foxface Rabbitfish
Blackbelly Triggerfish
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...