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What is a common food-borne parasite found in marine fish?

  1. Clonorchis sinensis

  2. Anisakis simplex

  3. Diphyllobothrium latum

  4. Enterobius vermicularis

The correct answer is: Anisakis simplex

Anisakis simplex is a parasitic worm commonly associated with marine fish, known for causing anisakiasis in humans. This condition arises when a person consumes raw or undercooked fish that contains the larvae of this parasite. Anisakis can cause gastrointestinal symptoms due to the larvae attaching to the stomach or intestinal wall after ingestion. Understanding the significance of Anisakis simplex within the context of food safety is crucial, especially for establishments that serve sushi or other dishes featuring raw fish. Awareness of this parasite highlights the importance of proper cooking and handling practices to prevent food-borne illnesses. The other options listed, while they may be associated with different hosts or types of food, do not commonly occur in marine fish and are not known to be significant concerns in the same context as Anisakis simplex.