Icthyomyzon castaneus

Icthyomyzon castaneus. Left: Two I. castaneus (arrows) on a bluegill (Lepomis macrochirus). Right: Oral disc of I. castaneus showing rasping teeth.

Fish in water with arrows pointing to long dark segments, and another closeup photo of the end of a segment showing teeth

Courtesy of Creative Commons

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Thing

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