Algae-cleaning fish help keep aquariums clean by eating algae, which can make the water murky. These fish are popular among ...

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 ...

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