イグサ
"Prostoma jenningsi" lives among the vegetation at the edges of the pond, including the plant species "Juncus effusus", "Elodea canadensis", "Myriophyllum spicatum", "Phragmites communis", "Potamogeton natans" and "Typha latifolia". Its numbers vary in an annual cycle, with smallest numbers when vegetation growth is highest.