Martin Gabriel / Golden apple snail {Pomacea canaliculata} shell.

Paul Williams / Golden apple snail (Pomacea canaliculata) pink eggs on plant stem, Pantanal, Brazil

Paul Williams / Yacare caiman (Caiman yacare) feeding on apple snail (Pomacea canaliculata) Pantanal, Pocone, Brazil

Paul Williams / Yacare caiman (Caiman yacare) feeding on apple snail (Pomacea canaliculata) Pantanal, Pocone, Brazil

Paul Williams / Yacare caiman (Caiman yacare) feeding on apple snail (Pomacea canaliculata) Pantanal, Pocone, Brazil

Paul Williams / Yacare caiman (Caiman yacare) feeding on apple snail (Pomacea canaliculata) Pantanal, Pocone, Brazil

Paul Williams / Jaguar (Panthera onca) pug mark next to Apple snail (Pomacea canaliculata) Pantanal, Pocone, Brazil

Paul Williams / Yacare caiman (Caiman yacare) feeding on apple snail (Pomacea canaliculata) Pantanal, Pocone, Brazil

Paul Williams / Yacare caiman (Caiman yacare) feeding on apple snail (Pomacea canaliculata) Pantanal, Pocone, Brazil

Paul Williams / Jaguar (Panthera onca) pug mark next to Apple snail (Pomacea canaliculata) Pantanal, Pocone, Brazil

LYNN M. STONE / Limpkin (Aramus guarauna) with Apple Snail, a favorite prey, Vero Beach, Florida, USA, April.

Luciano Candisani / Apple Snail (Pomacea sp) eggs on aquatic plant, Pretty Bay River, Brazil

Nature Production / Apple Snail {Pomacea canaliculata} mass of eggs, Japan

Steven David Miller / Egg mass of Apple / Bulls-eye snail (Pomacea calignosa) laid on the underside of aquatic leaf, Florida, USA

Tui De Roy / Snail Kite (Rostrhamus sociabilis) feeding on Apple Snail (Pilidae), Caiman Ecological Refuge, Pantanal ecosystem, Brazil

Nature Production / Apple Snail {Pomacea canaliculata} on river bed, Japan

Nature Production / Apple Snail {Pomacea canaliculata} swimming in rice field, Japan