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.

Unlike their larger counterparts, rainbow sharks are actually small freshwater fish that are perfect for many home aquariums. But — as their shark name implies — these fish have some ...

such as Rainbow Fish, Plecos, Cory Catfish, and large Tetras. The Speckled Carpet Shark is the final entry on our list of home aquarium sharks. They are distinctive, speckled creatures with two ...

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 ...

You can see right through this little aquarium fish from Thailand: Its skin is almost completely transparent. But when the light hits it just right, its body flickers with shimmering rainbow colors.

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.