
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
Russell’s Lionfish
Antennata Lionfish
Zebra Dartfish
Smith’s Fangblenny
Goldspot Blenny
Singular Bannerfish
Red Sea bannerfish
Schooling Bannerfish
Pyramid Butterflyfish
Yellow Longnose Butterflyfish
Red Sea Mimic Blenny
Zebra Lionfish
Dwarf Lionfish
Fu Manchu Lionfish
Pearlscale Butterflyfish
Vagabond Butterflyfish
Teardrop Butterflyfish
Tinker’s Butterflyfish
Mirror Butterflyfish
Rainford’s Butterflyfish
Spotband Butterflyfish
Raccoon Butterflyfish
Saddleback Butterflyfish
Threadfin Butterflyfish
Lawnmower Blenny
Radiata Lionfish
Mombasa Lionfish
Longnose Filefish
Gulf Toadfish
Helfrich’s Firefish
Barred Hamlet
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 environments...