Saltwater Fish Species

Browse our saltwater fish species profiles, each with care requirements, tank size, diet and reef compatibility.

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...

Yellowtail Coris Wrasse

Spotted Hawkfish

Spanish Hogfish

Spotfin Hogfish

Sixbar Wrasse

Foxface Rabbitfish

Orange-Spotted Spinefoot

Flame Hawkfish

Blackeye Thicklip Wrasse

Dusky Wrasse

Checkerboard Wrasse

Pastel Green Wrasse

Bird Wrasse

Overview Found in the Indo-Pacific region, ranging from the Red Sea to the Central Pacific. Recognized for its elongated, beak-like snout, which it uses to probe for food. Sexually dimorphic, with males displaying a vibrant green hue and females appearing brown or...