the marsh frog (pelophylax ridibundus), frog in water

aquatic plant araceae common hyacinth water duckweed eichhornia crassipes floating flora foliage green background invasive leaf leaves lemnaceae rootless seaweed surface swamp algae tropical weed wolffia amphibia amphibian amphibians animal animalia anura fauna europe frog marsh ranidae wild wildlife amphibium vegetation camouflage color pelophylax ridibundus rana ridibunda