Listing as Endangered and Designation of Critical Habitat for Six West Texas Aquatic Invertebrate Species: Proposed rule; reopening of comment period.

We, the U.S. Fish and Wildlife Service (Service), announce the reopening of the public comment period on the August 16, 2012, proposed endangered status for six west Texas aquatic invertebrate species under the Endangered Species Act of 1973, as amended (Act). We also announce the reopening of comment on the August 16, 2012, proposed designation of critical habitat for the six west Texas aquatic invertebrate species and the availability of a draft economic analysis of the proposed designation and amended required determinations in the proposed rule. We are reopening the comment period to allow all interested parties an opportunity to comment simultaneously on the proposed rules, the associated draft economic analysis, and the amended required determinations. Comments previously submitted need not be resubmitted, as they will be fully considered in preparation of the final rules.