Sunfish Sunbathe!
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Sunfish Sunbathe!

A recent study suggests that the main function of this behaviour is to absorb the heat from the sun and surface waters, rejuvinating them for their regular deep, cold dives to forage for food.

It has been observed that, while sunfish bask, birds take the opportunity of an easy snack by pecking off the parasites on the sunfish’s skin, giving the sunfish the bonus of a good clean.

Reference: Nakamura et al (2015)

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