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Unique mussel that relies on mudpuppy salamanders proposed as endangered

The salamander is the only mussel in North America whose larvae survives on the gills of a salamander. Most freshwater mussels use fish as hosts.
The salamander is the only mussel in North America whose larvae survives on the gills of a salamander. Most freshwater mussels use fish as hosts.

The U.S. Fish and Wildlife Service wants to list a unique mussel native to Indiana as a federally endangered species. The salamander mussel is already a state species of special concern.

It’s the only mussel in North America whose larvae survives on the gills of a mudpuppy salamander. Most freshwater mussels use fish as hosts.

Water pollution, dams, landscape changes, invasive species and risks to the mudpuppy have all caused the salamander mussel’s populations to decline.

Freshwater mussels are very sensitive to water quality changes. According to the Indiana Department of Natural Resources, nearly half of all freshwater mussels in Indiana are either endangered, a species of special concern, or can no longer be found in the state.

READ MORE: The northern long-eared bat is now a federally endangered species

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The Fish and Wildlife Service has proposed protecting more than 2,000 river miles as critical habitat for the species — including parts of Fish Creek, Big Pine Creek, Middle Fork Wildcat Creek and the Tippecanoe River in Indiana.

The public has until Oct. 23 to  comment on the proposed listing.

Rebecca is our energy and environment reporter. Contact her at  rthiele@iu.edu or follow her on Twitter at  @beckythiele.

Rebecca Thiele covers statewide environment and energy issues. Before coming to Bloomington, she worked for WMUK Radio in Kalamazoo, Michigan on the arts and environment beats. Thiele was born in St. Louis and is a proud graduate of the University of Missouri School of Journalism.