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.
Barhead Spinefoot
Sixline Wrasse
Overview Native to the Indo-Pacific, commonly found in coral reefs and rocky lagoons. Distinctive appearance with vibrant purple-blue body marked by six horizontal orange-red lines. Popular in aquariums for its active behavior and pest control, known to feed on small...
Striated Wrasse
Overview Native to the Indo-Pacific region, typically inhabiting coral-rich reefs and rocky areas. Characterized by its slender, reddish body with horizontal white stripes and iridescent blue markings on the face and fins. Known for being shy and secretive, often seen...
Azure Damselfish
Reticulated Damselfish
Yellowtail Coris Wrasse
Fiji Blue Devil Damselfish
Yellowtail Blue Damselfish
Spanish Hogfish
Spotfin Hogfish
Sergeant Major
Sixbar Wrasse
Foxface Rabbitfish
Orange-Spotted Spinefoot
Princess Damselfish
Overview Native to the Indo-Pacific, commonly found in coral-rich lagoons and outer reef slopes. Small, vibrant fish with a striking combination of electric blue and purple hues, often with subtle spots or lines on the body. Hardy and active, making it a popular...
Lemon Damselfish
Overview Native to the Indo-Pacific, commonly found in coral reefs and shallow lagoons. Easily identifiable by its vibrant yellow body and occasionally subtle blue markings around its face and fins. Known for being hardy, active, and moderately territorial; suitable...
Goldbelly Damselfish
Overview Native to the Indo-Pacific, frequently found in shallow lagoons and coral-rich reefs. Characterized by its striking metallic blue body with a bright golden-yellow belly. Known for being hardy, active, and somewhat territorial; popular among marine hobbyists....
Allen’s Damselfish
Overview Native to the Indo-Pacific, often found in coral reefs and shallow lagoons. Distinctively bright metallic blue body with vibrant yellow anal and tail fins. Known for its active, playful behavior and striking appearance. Hardy and suitable for beginner and...
Blackeye Thicklip Wrasse
Dusky Wrasse
Checkerboard Wrasse
Pastel Green Wrasse
Bird Wrasse
Four-Stripe Damselfish
Whitetail Damselfish
Harlequin Tuskfish
Half Black Angelfish
Herald’s Angelfish
Coral Beauty Angelfish
Split-Level Hogfish
Blackfin Hogfish
Diana’s Hogfish
Axilspot Hogfish
