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Contact: Shelly Leachman
University of California - Santa Barbara

Hydra and Their Tentacles

Caption: Hydra, left, have the same visual pathway as humans. Their tentacles, right, contain stinging cells (shown here in red) that aid in movement, defense, and predation.

Credit: David Plachetzki

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Related news release: UC Santa Barbara researchers discover genetic link between visual pathways of hydras and humans

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