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

Tobacco Basslet

Rectangle Triggerfish

Yellowhead Jawfish

Overview Found in the western Atlantic Ocean, including the Caribbean Sea. Known for their bright yellow head and elongated body. They have a large mouth and are often seen hovering near their burrows. Yellowhead jawfish are peaceful and have a distinctive behavior of...

Carberry’s Anthias

White-streaked Grouper

Speckled Blue Grouper

Queen Triggerfish

Blue Throat Triggerfish

Lyretail Grouper

Halfmoon Triggerfish

Fathead Sunburst Anthias

Blackbelly Triggerfish

Arabian Picasso Triggerfish

Picasso Triggerfish

Longnose Filefish

Goldspecs Jawfish

Overview Found in various marine environments worldwide. Known for their characteristic large mouths and burrowing behavior. They have elongated bodies and are often colorful. Jawfish are peaceful and have a distinctive behavior of building and inhabiting burrows....