These eggs then hatch into larvae inside the snail and move into the snail's eye stalks. The parasite controls the caterpillar and enters into its eyestalks causing them to swell, stripy ...

These parasitic worms invade snails and take over their bodies, turning them into zombie-like creatures with flashing, pulsating eye stalks! The infected snails unknowingly become walking bait for ...

Free-swimming stage of the trematode parasite. A single infected snail can release thousands of these tailed-stage parasites into the water every day. At this stage the parasite swims out from an ...