A red-eared slider, turtle dips its head under the water before popping up again

pond slider pond weeds turtle redeared slider pond freshwater invasive species water hazard slimy aquatic local wildlife under water debris environment floating shell ecosystem swim contamination creature swimming reptile solitude float stagnant muddy shallow head frightened animal residue habitat fountain hills startled surface scummy dull olive alertness arizona dirty popping up vegetation animal head artificial hanging weeds golf course red stripe