Copepods are flea-like animals that are abundant in all marine habitats, including planktonic, benthic, and parasitic forms.  Brackish water copepods carry Cholera-causing bacteria that cause infection when water containing them is swallowed.

On Swordfish Belly, Honolulu fish auction

In open water at night, Haleiwa, Oahu

In open water at night, Haleiwa, Oahu

Planktonic copepod's home, Oahu

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