Common land planarians are easily identified by their triangular, spade-shaped head. Some can stretch out a foot in length.

Tiny marine flatworms called acoels hunt for prey in coral reefs. They’re referred to as “plant-animals” because they’ve got a partnership with photosynthetic algae that live inside of them. But this ...

Once again, hammerhead flatworms are wriggling into the spotlight — this time in Canada. The toxic and invasive pests, which ...

My students and I are also studying the evolutionary ecology and conservation biology of invading terrestrial flatworms of the genus Bipalium. These fascinating broadhead planarians were transported ...