Fish use sharks to exfoliate and rub against great whites
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Flirting with the enemy: fish using sharks to exfoliate

Rubbing against the sharks’ sandpaper-like skin might remove parasites and skin irritants for bold fish.

Fish swimming next to a shark
School of Pacific jack mackerel chaffing against a white shark at Guadalupe Island, Mexico. Credit: Jesus Erick Higuera Rivas.
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