
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.
Tobacco Basslet
Smith’s Fangblenny
Fourline Wrasse
Goldspot Blenny
Purple Tilefish
Marcos’ Wrasse
Zigzag Wrasse
Tail-spot wrasse
Sixline Soapfish
White-streaked Grouper
Speckled Blue Grouper
Red Sea Mimic Blenny
Yellowtail Coris Wrasse
Clown Wrasse
Spotted Hawkfish
Solar Fairy Wrasse
Redfin Fairy Wrasse
Spanish Hogfish
Spotfin Hogfish
Seale’s Cardinalfish
Twospot Cardinalfish
Threadfin Cardinalfish
Spotted Wrasse
Peacock Wrasse
Lyretail Grouper
Moon Wrasse
Sixbar Wrasse
Belted Wrasse
Orbiculate Cardinalfish
Pajama Cardinalfish
Princess Parrotfish
Lawnmower Blenny
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
Longnose Hawkfish
Flame Hawkfish
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....