Anisakis simplex, known as the herring worm, is a nematode in the genus Anisakis , which occurs in ocean fish such as herring . Human infections can cause severe abdominal cramps. The worm drills through the intestinal wall and lodges in muscle tissue.
Attributes / relations provided by ♦1Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London ♦2Nunn, C. L., and S. Altizer. 2005. The Global Mammal Parasite Database: An Online Resource for Infectious Disease Records in Wild Primates. Evolutionary Anthroplogy 14:1-2. ♦3Phocoena phocoena, David E. Gaskin, Peter W. Arnold, and Barbara A. Blair, MAMMALIAN SPECIES No. 42, pp. 1-8 (1974) ♦4Stenella attenuata, William F. Perrin, MAMMALIAN SPECIES No. 683, pp. 18 (2001)