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Belted Crayfish (Big River Crayfish)

Photo of a belted crayfish, also called Big River crayfish.

The belted crayfish, or Big River crayfish, is medium-small, tan, with a distinctive pattern of alternating olive-green and reddish-brown bands on the abdominal segments. A broad, blackish band spans both sides of the cervical groove (the groove separating head and thorax). A second blackish band is located at the junction of the carapace and abdomen. This species is found only in the Big River and its tributaries.

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http://mdc.mo.gov/node/6432