
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
Tobacco Basslet
Singular Bannerfish
Yellow Longnose Butterflyfish
Spotted Hawkfish
Tinker’s Butterflyfish
Raccoon Butterflyfish
Blue Throat Triggerfish
Foxface Rabbitfish
Coral Rabbitfish
Picasso Triggerfish
Horned Bannerfish
Longfin Bannerfish
Bicolor Blenny
Redbarred Hawkfish
Pacific Double-Saddle Butterflyfish
Fourspot Butterflyfish
Merten’s Butterflyfish
Orangeface Butterflyfish
Four-Eyed Butterflyfish
Blacktail Butterflyfish
Clown Triggerfish
Starry Dragonet
Rectangle Triggerfish
Red Sea bannerfish
White-streaked Grouper
Pearlscale Butterflyfish
Mirror Butterflyfish
Saddleback Butterflyfish
Lyretail Grouper
One Spot Foxface Rabbitfish
Lawnmower Blenny
Bluestriped Fangblenny
Overview Native to the Indo-Pacific region, commonly found near coral reefs and lagoon habitats. Distinctive slender body with alternating bright blue and black horizontal stripes. Known for its unique behavior of mimicking cleaner wrasses to approach other fish and...