Hay's Spring Amphipod (image) University of Illinois at Urbana-Champaign Share Print E-Mail Caption Researchers found evidence that a tiny, blind, endangered crustacean still inhabits some groundwater habitats in Washington, D.C.'s Rock Creek Park. Credit Graphic by Julie McMahon Usage Restrictions Image may be used with stories about the research described in this release. Credit required: Graphic by Julie McMahon Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.