📚 The nautilus can withdraw completely into its shell, closing the opening with a leathery hood formed from two specially folded tentacles. ⁣ ⁣ The shell is coiled, calcareous, mother-of-pearl-lined and pressure resistant being able to dive and withstand pressure 8 football fields deep into the ocean. 🤯 ⁣ ⁣ What other cool facts can you find about the nautilus? ⁣ ⁣ ⁣Repost @octonation#nautilus #squid #Octopus  #Scuba #preservation #cephalopod  #discoverocean  #diving #octopustattoo #animalonearth #oceanconservation #seacreature  #stem #animals #underwaterlife  #Padi  #Marineanimals  #wildlifeconservation #UnderwaterPhotography #FilmMaking #WIldLife

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