freshwater fish three spined stickleback gasterosteus aculeatus underwater

aculeatus algae animal aquarium armored background beautiful catch clean close closeup dangerous detail diving dreistachliger dwarfish ekology environment fish fishing fresh freshwater gamefish gasterosteus habitat ichthyology koljuaiexcl ka lake life macro marine nature nice photography pichafrac34 avka pound river shallow shot sinaiexcl spaces species spined stichling stickleback striped summer three threespined underwater water white wild wildlife