Saltwater Aquariums

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.

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Yellow Boxfish

Yellow Boxfish

Overview Found in the Indo-Pacific region. Known for their box-like shape and distinctive coloration, which is often bright yellow with black spots in juveniles, turning to a more subdued color in adults. They have a rigid, bony carapace that covers their body. Smooth...

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Yellow Seahorse

Yellow Seahorse

Overview Found in the Indo-Pacific region. Known for their ability to change color and their prehensile tail. They have a distinctive equine profile with a curved body and a long snout. Yellow seahorses are slow-moving and have a unique upright swimming posture....

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