ceratophyllum demersum aquatic plant in a stream

pond aquatic water flower hornwort ceratophyllum nature demersum plant natural beautiful background green color closeup muddy texture alga outdoor seaweed beauty underwater tail aquarium fish coons rigid orange tank botanical freshwater landscape summer coontail environment ecosystem aqua floral blossom brown life cycle frogs tadpole common frog tadpoles duck weed oxygenating plants oxygenation stream