Copepoda

noun plural

: a class of Crustacea comprising minute aquatic forms abundant in both fresh and salt waters and including some (as of the order Calanoida) that are chiefly free-living and important as fish food and others (as of the order Siphostomatoida) that are parasitic on the skin and gills of fish

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Cite this Entry

“Copepoda.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Copepoda. Accessed 8 Jul. 2026.

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