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Sustaining America's Aquatic Biodiversity - Crayfish Biodiversity and Conservation
Freshwater habitats throughout the United States harbor the richest diversity of crayfish in the world. These aquatic animals serve as important links in the food web, indicators of water quality, and a food source for humans. Crayfish are threatened by habitat loss, pollution, and invasive species. This publication describes crayfish biology and ecology as well as threats to crayfish populations.
Aug 20, 2025 420-524 (CNRE-206P)