a fish struggling in a polluted river with bubbles of oil rising from below

fish pollution river toxic bubbles oil water environmental nature struggle wildlife ecosystem damage contamination habitat riverbank ecology aquatic environmentalism marine oxygen aquaticlife waterpollution globalwarming climate wildlifeprotection endangered marineecosystem survival species chemicals waterquality liquid harmful ecosystemhealth fishconservation freshwater watercrisis riverpollution aquaticenvironment toxicwaste ecofriendly restoration cleanwater endangeredspecies overfishing biodiversity planet world ecosystemrestoration waterconservation animalprotection