
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.
Red Lionfish
Queen Angelfish
Fu Manchu Lionfish
Caribbean Sharpnose Puffer
Mombasa Lionfish
King Angelfish
Half Black Angelfish
Lemonpeel Angelfish
Golden Angelfish
Ambon Puffer
Immaculate Pufferfish
Russell’s Lionfish
Watanabe’s Angelfish
Whitetail Pygmy Angelfish
Hawaiian Whitespotted Toby
Koran Angelfish
Overview Native to the Indo-Pacific region, commonly found around coral reefs and lagoon environments. Known for its vibrant blue-green body with distinctive semicircular patterns and intricate blue markings on the fins. Juveniles have bold blue, black, and white...
Swallowtail Angelfish
Keyhole Angelfish
Eibli Angelfish
Cherub Angelfish
Marine Betta
Narrow-Lined Pufferfish
Antennata Lionfish
Zebra Lionfish
Rusty Angelfish
White-Spotted Pufferfish
Gray Angelfish
Overview Native to the Western Atlantic, commonly found near coral reefs and rocky outcroppings in the Caribbean and Gulf of Mexico. Large angelfish with a dark gray body covered in lighter scale markings and a broad, crescent-shaped tail fin. Juveniles feature a...