
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.
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...
Yellowtail Coris Wrasse
Valentini Puffer
Caribbean Sharpnose Puffer
Hawaiian Whitespotted Toby
Spanish Hogfish
Spotfin Hogfish
Starry Pufferfish
White-Spotted Pufferfish
Sixbar Wrasse
Cooper’s Anthias
Overview Found throughout the Indo-Pacific region, particularly near coral slopes and reef drop-offs. Males display a bold reddish-pink body with a lavender hue, while females are more orange or yellow-toned. A mid-water schooling fish known for its beauty and...
Bicolor Anthias
Overview Native to the Indo-Pacific, commonly inhabiting coral reefs and reef slopes. Known for its vibrant coloration with males showcasing a striking mix of pink and orange, while females exhibit a softer yellowish-orange color. A schooling species, prized for its...