Unarmored threespine stickleback endagered species gasterosteus aculeatus williamsoni

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Description: English: Image title: Unarmored threespine stickleback endagered species gasterosteus aculeatus williamsoni Image from Public domain images website, http://www.public-domain-image.com/full-image/fauna-animals-public-domain-images-pictures/fishes-public-domain-images-pictures/unarmored-threespine-stickleback-endagered-species-gasterosteus-aculeatus-williamsoni.jpg.html. Date: Not given Transferred by Fæ on 2013-02-25. Source: http://www.public-domain-image.com/public-domain-images-pictures-free-stock-photos/fauna-animals-public-domain-images-pictures/fishes-public-domain-images-pictures/unarmored-threespine-stickleback-endagered-species-gasterosteus-aculeatus-williamsoni.jpg. Author: Barrett Paul, U.S. Fish and Wildlife Service. Permission(Reusing this file): This file is in public domain, not copyrighted, no rights reserved, free for any use. You can use this picture for any use including commercial purposes without the prior written permission and without fee or obligation.