A Pacific lamprey displays its toothed but jawless mouth.

A long tubular fish suctions its flat, disc-like mouth onto a clear surface, showing off its teeth

Photo By/Credit

David Herasimtschuk/Freshwaters Illustrated

Media Usage Rights/License

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A Pacific lamprey displays its toothed but jawless mouth.

Ecosystem

River/stream

Recreational Activity

Wildlife watching

Species

Entosphenus tridentatus

Subject tags

Anadromous fish

Fish migration

Fish passage

Rivers and streams

Wildlife viewing

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