Or have you noticed how the walls of a fish tank sometimes turn green and slimy? These are all examples of algae—but there is a lot more to the algae story! On the right side of the cover, it is ...

Algae-cleaning fish keep aquariums clean by eating algae. They help keep the water clear and create a healthy environment for other fish. Tap to read in detail.

The clown pleco is one of the most popular small catfish for aquariums ... South American pleco species by being primarily ...