The present paper reports the presence of 3 adult and juvenile anisakid nematode species: Anisakis simplex, A. brevispiculata, and Pseudoterranova ceticola, which were recovered from the digestive tract of stranded pygmy sperm whales (Kogia breviceps) from 3 localities along the coast of the Yucatan Peninsula. The presence of these anisakid adult nematodes suggests that larval stages may occur in cephalopods or fishes used for human consumption, which represents a potential danger to public health. The occurrence of the 3 anisakid species in coastal waters of the Yucatan Peninsula represents new geographical records for Mexico.

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