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			          Crayfish List - Freshwater Aquarium Crayfish Species Information
			           
 Page containing links to all of the Freshwater Aquarium Crayfish Species. http://www.planetinverts.com/crayfish_species.html
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			          Cajun Crayfish Invading Africa, Eating Native Species
			           
 A popular U.S. crayfish with a voracious appetite is wreaking havoc on African plants and animals, scientists say. http://news.nationalgeographic.com/news/2012/01/120109-louisiana-crayfish-invasive-species-environment-africa-science/
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			          How to Take Care of Crayfish
			           
 How to Take Care of Crayfish. Crayfish, also known as crawfish, crawdads, and mudbugs, are lovable crustaceans that make excellent pets. http://www.wikihow.com/Take-Care-of-Crayfish
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			          BioKIDS - Kids' Inquiry of Diverse Species, Orconectes rusticus, Rusty Crayfish
			           
 BioKIDS - Kids' Inquiry of Diverse Species. Basic information about crayfish including where they live, their appearance, diet and reproduction http://www.biokids.umich.edu/critters/Orconectes_rusticus/
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			          Crayfish/koura: Invertebrates: Native animals: Conservation
			           
 The koura, or freshwater crayfish, is dark green and mottled like the stones it lives amongst on stream bottoms. http://www.doc.govt.nz/nature/native-animals/invertebrates/crayfish-koura/
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			          Freshwater Aquarium Crayfish
			           
 This guide provides tips for keeping eight attractive freshwater crayfish species. http://www.fishchannel.com/freshwater-aquariums/invertebrates/crayfish.aspx
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			          Crayfish - Crustacean - Britannica
			           
 They are closely related to the lobster. Over half of the more than 500 species occur in North America. More about the crayfish inside. http://www.britannica.com/animal/crayfish
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			          Crayfish - HowStuffWorks
			           
 Crayfish, or crawfish, colloquially called crawdad is a freshwater crustacean related to the lobster. Learn more about the crayfish at HowStuffWorks. http://animals.howstuffworks.com/marine-life/crayfish-info.htm
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			          Differences Between Lobsters & Crayfish - Animals
			           
 They both taste great boiled and dipped in butter, but one is considered a delicacy while the other is associated with home style cooking. Learn the differences here. http://animals.mom.me/differences-between-lobsters-crayfish-4113.html
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			          Crab - HowStuffWorks
			           
 Crab is a land- or water-dwelling crustacean with a short, flat body that is nearly circular. Learn more about the crab at HowStuffWorks. http://animals.howstuffworks.com/marine-life/crustaceans.htm
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			          Crayfish - Wikipedia, the free encyclopedia
			           
 Crayfish, also known as crawfish, crawdads, freshwater lobsters, or mudbugs, are freshwater crustaceans resembling small lobsters, to which they are related; taxonomically, they are members of the superfamilies Astacoidea and Parastacoidea. https://en.wikipedia.org/wiki/Crayfish