Black Spot Fish Disease - What You Need to Know

Black spot fish disease is caused by a parasitic trematode (a.k.a. fluke or flatworm) in the genus Neascus. Multiple species of Neascus can infect fish. This video describes the life cycle of these trematode parasites and their impacts on fish and humans. If you've caught a fish with raised black spots or bumps in the skin or meat, it is very likely black spot fish disease. #fishing Creek chub image by Noah Poropat, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons