Agkistrodon piscivorus
Conservation status

The species A. piscivorus is classified as least concern on the IUCN Red List (v3.1, 2007). Species are listed as such due to their wide distribution, presumed large population, or because they are unlikely to be declining fast enough to qualify for listing in a more threatened category. When last assessed in 2007, the population trend was stable.

Constant persecution of the species and drainage of wetland habitat prior to development has taken a heavy toll on local populations. Despite this, it remains a common species in many areas.

In Indiana, the cottonmouth is listed as an endangered species.
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