do mussels grow pearls? – Environmental Care Zone

Question: do mussels grow pearls?
- Keywords:
  grow,
  mussel,
  pearl
Asked by the joeff to Karen on 9 Nov 2018.
- Karen answered on 9 Nov 2018:
  
  1 in every 10,000 freshwater pearl mussels will grow a pearl, when a bit of sand that they don’t want gets into their shell they coat is with a liquid called “nacre” to stop it irritating them, the nacre builds up to become a pearl 🙂

the joeff commented on 9 Nov 2018:

Thanks for awnsering.WOW that is amazing

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Question: do mussels grow pearls?