Anchor worms are another species of copepod (like sea lice). They attach to the fish host with a distinct anchor-like structure that penetrates the fish's skin, with the body of the anchor worm sticking out into the water - where it can release its eggs freely. Common in some reservoirs in Oregon.
also known as
anchor parasite
Detection Methods:
gross pathology / gross clinical signs
Target tissue
external surfaces; penetrates skin
References