
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.
Redcoat Squirrelfish
Tinker’s Butterflyfish
Raccoon Butterflyfish
Whitecheek Tang
Magnificent Rabbitfish
Crown Squirrelfish
Darkfin Soldierfish
Overview Found in the Indo-Pacific region. Known for their reddish coloration and deep body shape, typical of soldierfish. They have large eyes, adapted for nocturnal activity. Shadowfin soldierfish are often found in caves or under ledges. Feeding They are nocturnal...
Humpback Grouper
Latticed Butterflyfish
Lined Butterflyfish
Bluelined Hind
Herald’s Angelfish
Lined Surgeonfish
Pearlscale Butterflyfish
Mirror Butterflyfish
Saddleback Butterflyfish
Lyretail Grouper
Orange-Spotted Spinefoot
Longnose Filefish
Horned Bannerfish
Copperband Butterflyfish
Fourspot Butterflyfish
Collare Butterflyfish
Coral Grouper
Coral Beauty Angelfish
Vagabond Butterflyfish
Rainford’s Butterflyfish
Threadfin Butterflyfish
Foxface Rabbitfish
Coral Rabbitfish
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....
Pennant Bannerfish
Pacific Double-Saddle Butterflyfish
Merten’s Butterflyfish
Burgess’ Butterflyfish
Peacock Grouper
Mimic Tang
Teardrop Butterflyfish
Spotband Butterflyfish
Sohal Tang
One Spot Foxface Rabbitfish
Hawaiian Squirrelfish
Naso Tang
Overview Found in the Indo-Pacific region. Known for their distinctive appearance, including a prominent nose horn (more developed in males) and vibrant coloration. They have a laterally compressed body and a lunate tail. Naso tangs are active swimmers and often seen...