
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.
Tobacco Basslet
Schooling Bannerfish
Speckled Blue Grouper
Tinker’s Butterflyfish
Raccoon Butterflyfish
Twospot Cardinalfish
Pajama Cardinalfish
Rosenblatt’s Jawfish
Humpback Grouper
Pacific Double-Saddle Butterflyfish
Fourspot Butterflyfish
Merten’s Butterflyfish
Orangeface Butterflyfish
Four-Eyed Butterflyfish
Blacktail Butterflyfish
Peacock Grouper
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...
Pyramid Butterflyfish
Pearlscale Butterflyfish
Mirror Butterflyfish
Saddleback Butterflyfish
Threadfin Cardinalfish
Banggai Cardinalfish
Overview Endemic to the Banggai Islands of Indonesia, typically inhabiting shallow reefs and seagrass beds. Recognizable for its distinctive silver body, bold black vertical stripes, and white spots. Calm and peaceful nature, making it suitable for community reef...
Horned Bannerfish
Pineapplefish
Melon Butterflyfish
Ornate Butterflyfish
Blackback Butterflyfish
Klein’s Butterflyfish
Burgess’ Butterflyfish
Atlantic Spadefish
Lyretail Hogfish
Singular Bannerfish
Yellow Longnose Butterflyfish
Vagabond Butterflyfish
Rainford’s Butterflyfish
Threadfin Butterflyfish
Lyretail Grouper
Longnose Filefish
Pennant Bannerfish
Copperband Butterflyfish
Golden Butterflyfish
Eightband Butterflyfish
Oval Butterflyfish
Saddleback Butterflyfish
Bennett’s Butterflyfish
Bluelined Hind
Orange-Lined Cardinalfish
Red Sea bannerfish
White-streaked Grouper
Teardrop Butterflyfish
Spotband Butterflyfish
Seale’s Cardinalfish
Orbiculate Cardinalfish
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....