Back in November, we covered a host of common game fish diseases and parasites, ranging from disgusting—yet run-of-the-mill—tapeworms to the very common black spot disease, also known as Neascus. This list is a little bit different, and includes some of the parasites that were either too bizarre or simply too outlandish to include in that article. There are a lot of critters in the water that do not mind piggy-backing on some tasty fish for survival, but these five parasites do it in a way that to us, can only be described as alien-like. MORE