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  Freshwater Crayfish: A Global Overview - Google Books

  https://books.google.de/books?id=GxQqCgAAQBAJ&pg=PA3#v=onepage

  For their great commercial importance as a human food delicacy, crayfish are now becoming of wider interest to molecular biologists, and also to conservationists due to the fact that in some countries many of the native crayfish species are under threat…

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  Freshwater Crayfish: A Global Overview - Google Books

  https://books.google.de/books?id=GxQqCgAAQBAJ&pg=PA3

  For their great commercial importance as a human food delicacy, crayfish are now becoming of wider interest to molecular biologists, and also to conservationists due to the fact that in some countries many of the native crayfish species are under threat…

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  Category:Astacidea – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Astacidea?uselang=de

  Keine Beschreibung vorhanden.

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