What types of parasites can attack the fish in your home aquarium?

There are two main types of parasites fish are prone to be attacked by:

    1. Ectoparasites – attack the external surface of the body and are visible to the naked eye.2. Endoparasites – affect the skin tissues and organs and are visible only under a microscope.How can you tell if your fish is affected by the Endoparasites? Well, they become sluggish.