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.
Regal Angelfish
Vermiculated Angelfish
Scribbled Angelfish
Pearlscale Butterflyfish
Vagabond Butterflyfish
Teardrop Butterflyfish
Tinker’s Butterflyfish
Mirror Butterflyfish
Rainford’s Butterflyfish
Spotband Butterflyfish
Raccoon Butterflyfish
Saddleback Butterflyfish
Threadfin Butterflyfish
Whitetail Pygmy Angelfish
Rusty Angelfish
Emperor Angelfish
Overview Native to the Indo-Pacific region, commonly found in coral-rich lagoons and seaward reefs. Famous for its striking coloration; juveniles have distinct blue, white, and black circular patterns, adults develop vivid yellow and blue stripes with a distinctive...
Multi-barred Angelfish
Longnose Filefish
Blue Hamlet
King Angelfish
Blue Angelfish
Horned Bannerfish
Pennant Bannerfish
Big Longnose Butterflyfish
Copperband Butterflyfish
Five-lined Cardinalfish
Black Velvet Angelfish
Blue-spotted Angelfish
Pacific Double-Saddle Butterflyfish
Golden Butterflyfish
Latticed Butterflyfish
Fourspot Butterflyfish
Merten’s Butterflyfish
Blackback Butterflyfish
Lined Butterflyfish
Collare Butterflyfish
Burgess’ Butterflyfish
Blacktail Butterflyfish
Keyhole Angelfish
Potter’s Angelfish
Flame Angelfish
Lemonpeel Angelfish
Eibli Angelfish
Bicolor Angelfish
Golden Angelfish
Cherub Angelfish
African Flameback Angelfish
Indian Yellowtail Angelfish
Three-spot Angelfish
