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 Burbot May 26, 2024 Common minnow May 23, 2024 Freshwater jellyfish May 25, 2024 Common carps May 29, 2024 Italian crested newt May 18, 2024 Green water frog May 21, 2024