【How-to】How to cook monkfish - Howto.org

The intruder, most likely an anisakis worm, was found in monkfish Claire bought from Morrisons. … They state: “Parasites in fish, particularly anisakis larvae, can cause health problems if eaten alive, including abdominal pain, diarrhoea and vomiting, blood and mucus in stools, and mild fever.”