Snails and slugs are distant relatives of the octopus, a creature that is so intelligent it is the only invertebrate that is recognised as sentient in the Cambridge 2012 Declaration of Consciousness. 

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Credits

Image: Octopus (Common) by Brian Gratwicke

Information sourced from:

The IUCN Red List of Threatened Species (2015), Octopus vulgaris cuvier 1797 [online], Available from: http://www.iucnredlist.org/search [accessed 05/07/2015]

https://www.weforum.org/agenda/2019/05/millions-of-people-eat-octopus-heres-why-we-probably-shouldnt/

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