Leucochloridium paradoxum, the green-banded broodsac, is a parasitic flatworm (or helminth). Its intermediate hosts are land snails, usually of the genus Succinea. The pulsating, green …

They don't walk... nor are they really dead. But these snails are zombies. They have been hijacked by a parasite that controls their brains and movements.

Aug 3, 2025 · It features a parasitic worm that takes over a snail and turns it into a pulsating, zombie-like version of itself. Let’s unpack exactly what has happened to this poor snail.

Sep 30, 2023 · This parasitic worm crawls into the eyestalks of snails, takes over its brain then pulsates to make the mollusc look like a dancing caterpillar.

Oct 23, 2017 · Learn about how a little worm can take over the body of a snail, turning them into zombie snails.

Jan 4, 2023 · This parasitic worm invades a snail's eyestalks, where it pulsates to imitate a caterpillar, attracting the ultimate target, a bird.

Mar 17, 2024 · Zombie snails are not the stuff of science fiction, but a real and fascinating occurrence in nature. These snails fall victim to a clever parasite that takes over their bodies …

Dec 20, 2003 · Two visible changes in the snail occur as a result of the accumulation of sporocysts. First, the snail's tentacles enlarge and pulse in vivid colors. Secondly, the …

Aug 17, 2025 · Recently, Bryan published an article about his encounter with the Green-banded Broodsac, or "zombie snail," whose eye stalks have been taken over by long, wet, pulsing …

Aug 23, 2019 · Green-banded Broodsacs invade eyestalks (also known as tentacles) of snails after growing inside the victims’ bodies. Often, both eyestalks become occupied. Once inside …