Colorado Parks and Wildlife (CPW) warns the parasitic infestation of the anchor worm is impacting fish in West and Dowdy lakes in Larimer County. The worm causes severe inflammation resulting in ...

Description: The anchor worm is a small parasite (1-1.5 cm long) that lives in the muscles of freshwater fishes. The female anchor worm has a tubular body divided into a cephalothorax, thoracic ...