
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
Rectangle Triggerfish
Pyramid Butterflyfish
Pearlscale Butterflyfish
Mirror Butterflyfish
Saddleback Butterflyfish
Lyretail Grouper
Magnificent Rabbitfish
Crown Squirrelfish
Longnose Filefish
Big Longnose Butterflyfish
Pineapplefish
Golden Butterflyfish
Eightband Butterflyfish
Oval Butterflyfish
Saddleback Butterflyfish
Bennett’s Butterflyfish
Coral Grouper
Coral Beauty Angelfish
Barhead Spinefoot
Singular Bannerfish
Yellow Longnose Butterflyfish
Vagabond Butterflyfish
Rainford’s Butterflyfish
Threadfin Butterflyfish
Halfmoon Triggerfish
Orange-Spotted Spinefoot
Blackbelly Triggerfish
Darkfin Soldierfish
Overview Found in the Indo-Pacific region. Known for their reddish coloration and deep body shape, typical of soldierfish. They have large eyes, adapted for nocturnal activity. Shadowfin soldierfish are often found in caves or under ledges. Feeding They are nocturnal...