
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.
Ward’s Sleeper Goby
Sharknose Goby
Yellow Watchman Goby
Rainford’s Goby
Wide-Banded Shrimp Goby
Orbiculate Cardinalfish
Decorated Goby
Pink Speckled Shrimp Goby
Five-lined Cardinalfish
Peacock Grouper
Marine Betta
Periophthalma Shrimp Goby
The Golden Head Sleeper Goby
Yellow Clown Goby
Seale’s Cardinalfish
Wheeler’s Shrimp Goby
Lyretail Grouper
Pajama Cardinalfish
Curious Wormfish
Humpback Grouper
Atlantic Spadefish
Half Black Angelfish
Orange-Lined Cardinalfish
Spotted shrimp goby
Twin-Spot Goby
White-streaked Grouper
Twospot Cardinalfish
Steinitz’s Shrimp Goby
Diamond Goby
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...