Roundworms can be found throughout the intestines. They sometimes can be seen extending from the anus. An infected fish is edible. Clean and prepare as usual. Worm-like animal attached to the body, head, fins or gills.
Leeches are blood-sucking animals that leave a circular wound after they have dropped off the fish.
An infected fish is edible. Clean and prepare as usual. Small, red pustule with red threadlike body protruding from wound at the base of scale or on or near the base of fins. Anchor worm is an appropriate name for this parasitic copepod. It buries its anchor-shaped head into the flesh and allows its body to hang free of the wound.