Lymphocystis Virus in Koi and Ornamental Fish

Lymphocystis – by Doc Johnson Of all the viruses affecting Koi, the fifth most common is LYMPHOCYSTIS. This is a viral pathogen that is poorly transmissible between your specimens. It strikes fish when some damage has occurred to mouth or fin, and sometimes on the body* (Almost exactly like Carp Pox). The lesions are warty, … Read more