Do fish sleep? YES THEY DO! PARROTFISH sleeping in mucus COCOON
Always wondered whether a fish sleeps and HOW? Well, worry no longer! Meet the parrotfish: They build their own cocoons out of mucus, a substance produced by special glands in their gill cavities. It is believed to mask their smell from predators and protect them from teeny tiny blood-sucking crustaceans, AMAZING ISN'T IT?!
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Footage & editing by: Hilmar Derksen
Music by: Coen Nijeboer - Audioblade https://www.youtube.com/user/TheAudioBlade
This was Biovlog going Wild, see you next time!