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This ray has two protrusions under its snout that are folded down when swimming. It unfolds them and uses them to stir up the sand when searching for food. It is able to detect the vibrations of its prey in the sediment and only has to extract them by projecting a jet of water directed by its mouth. Its mouth is equipped with rows of teeth joined together to form a dental plate per jaw (upper and lower), which allows it to efficiently crush shells.