Overview: The larvae of Anisakis, whose adult form lives on sea mammals such as whales, seals, and dolphins, are parasitic upon many species of salt-water fish. When the final host animals eat paratenic hosts, the larvae grow to adulthood in the hosts‘ stomach. However, when hu mans eat these infested fish, the larvae die instead, causing a disease called anisakiasis. In 1960, in the Netherlands, van Thiel et al. found a worm in the intestinal wall of a patient who had eaten raw herring and had suffered symptoms of acute abdomen. The impact of this report was tremendous among Japanese parasit
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