Shasta crayfish (Pacifastacus fortis)

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Female Shasta crayfish with second instar young attached to the underside of her abdomen
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Shasta crayfish fact file

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Female Shasta crayfish with second instar young attached to the underside of her abdomen  
Female Shasta crayfish with second instar young attached to the underside of her abdomen

© Spring Rivers Ecological Sciences

Spring Rivers Ecological Sciences,
http://www.springrivers.com

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