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