Horrifying Hammerhead Worms

Behavior

Hammerhead worms have been mistakenly called hammerhead slugs because they move in a slug-like fashion. They use cilia on their creeping sole to glide over a strip of mucus. The worms have also been observed lowering themselves down a string of mucus.

Land planarians are photo-negative (light-sensitive) and need high humidity. Because of this, they usually move and feed at night. They prefer cool, damp places, typically residing under rocks, logs, or shrubs.

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