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 Freshwater jellyfish May 25, 2024 Wels catfish May 26, 2024 Sonar landscape May 30, 2024 European pond turtle May 18, 2024 Olm May 30, 2024 Common toads May 20, 2024