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.

Sargassum Triggerfish

Lyretail Grouper

Masked Bannerfish

Messmate Pipefish

Peacock Grouper

Mimic Tang

Sohal Tang

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....

Longfin Bannerfish

Pineapplefish

Half Black Angelfish

Orange Shoulder Tang

Whitecheek Tang

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...