Nigeria.

Globally, millions of people in the developing world rely on medicinal plants to improve their primary health care, income generation and livelihood. An ethnomedicinal survey was conducted in four markets in Akure South Local Government Area of Ondo State, Nigeria. The aim was to document the diversity of medicinal herbs sold in the markets, their modes of preparation, the plant part(s) used, dosage, and the method of utilization. The respondents were primarily women, consisting of buyers and sellers of the herbals.

A total of eighteen fishes belonging to two families Claridae and Chichlidae were encountered in this study. Out of the eighteen fishes, nine (50%) were found to harbour mostly parasites of the class Nematoda