Aquarium enthusiasts are often on the lookout for colorful and exciting species that they can raise in their personal tanks. Rainbowfish are a broad category of fish that meet these requirements.

If you're in the throes of setting up a home aquarium, you may be curious about the types of freshwater fish you can keep as a pet. Often the first fish that springs to mind is a goldfish ...

The ghost catfish’s see-through body caught the eye of physicist Qibin Zhao when he was in an aquarium store ... change in length as the fish swims, causing the rainbow colors to flicker.

It's sold around the world as an aquarium fish. Other creatures are also iridescent, creating the shimmering rainbow effect where colors shift as you move. Usually, they have shiny outer surfaces ...

Scientists from the University of South Bohemia and the Research Institute of Farm Animal Biology (FBN) have discovered that ...