
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.
Zebra Dartfish
Carberry’s Anthias
Fourline Wrasse
Purple Tilefish
Marcos’ Wrasse
Zigzag Wrasse
Tail-spot wrasse
Sixline Soapfish
Long-Spined Pufferfish
Yellowtail Coris Wrasse
Clown Wrasse
Solar Fairy Wrasse
Redfin Fairy Wrasse
Valentini Puffer
Caribbean Sharpnose Puffer
Hawaiian Whitespotted Toby
Spanish Hogfish
Spotfin Hogfish
Starry Pufferfish
White-Spotted Pufferfish
Spotted Wrasse
Peacock Wrasse
Moon Wrasse
Sixbar Wrasse
Belted Wrasse
Fathead Sunburst Anthias
Filamented Flasher Wrasse
Overview Native to the Western Pacific Ocean. Known for the elongated filaments on the dorsal fin of males, used in their flashing displays. Small and slender-bodied, with vibrant coloration that intensifies during courtship. Peaceful and active, preferring reef...
Longnose Filefish
Firefish Goby
Overview Found in the Indo-Pacific region. Known for their striking appearance with elongated dorsal and caudal fin rays, and vibrant coloration, typically red, white, and yellow. They have a slender body and a peaceful demeanor. Magnificent dartfish are often seen...
Helfrich’s Firefish
Decorated Dartfish
Overview Found in the Indo-Pacific region. Known for their elegant appearance with elongated dorsal fin rays and vibrant coloration, often including shades of purple, red, and white. They have a slender body and a peaceful demeanor. Decorated dartfish are often seen...
Peacock Wrasse
Allen’s Wrasse
Hawaiian Cleaner Wrasse
Overview Found in the Indo-Pacific region. Known for their role in cleaning other fish by removing parasites. They have a slender body and a distinctive swimming pattern. Cleaner wrasses establish cleaning stations on the reef. Feeding They are primarily carnivores....