
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.
Regal Angelfish
Zebra Lionfish
Scribbled Angelfish
Tinker’s Butterflyfish
Raccoon Butterflyfish
Rusty Angelfish
Foxface Rabbitfish
Coral Rabbitfish
Longnose Filefish
Horned Bannerfish
Copperband Butterflyfish
Golden Butterflyfish
Blackback Butterflyfish
Blacktail Butterflyfish
Keyhole Angelfish
Eibli Angelfish
African Flameback Angelfish
Mimic Tang
Red Lionfish
Dwarf Lionfish
Pearlscale Butterflyfish
Mirror Butterflyfish
Saddleback Butterflyfish
Sohal Tang
One Spot Foxface Rabbitfish
Radiata Lionfish
Bluespine Unicorn Tang
Overview Found in the Indo-Pacific region. Known for their distinctive long horn-like protrusion on their forehead, which develops with age. They have a laterally compressed body and a lunate tail. Unicorn tangs are active swimmers and often seen grazing on algae....