Western three-spined stickleback Post author:Marco Colombo Post category:Freshwater Gasterosteus gymnurus territoriality Ticino Valley Regional Park, Lombardy Marco Colombo Naturalist, Photographer And Science Communicator: at first I loved. Then I observed. Finally I photographed You Might Also Like Common carps May 29, 2024 Green hydra May 26, 2024 Italian crested newt May 18, 2024 Light on the dark May 22, 2024 Zander May 25, 2024 Common toad May 18, 2024