Have you ever wondered how flatworms— you know, those billowing tissue-like invertebrates — reproduce? Well, certain Platyhelminthes engage in a behavior known as “penis fencing,” which involves two ...

The clip does not show a symbiotic, or mutually beneficial, relationship between a crab and a flatworm. A video shared to social media claims to show a black, blob-like organism known as a marine ...

The New Guinea flatworm has been spotted throughout San Antonio, Corpus Christi, Austin, College Station and the greater Houston area. These photos were taken in a suburb of San Antonio in July, 2020.

Flatworms, also known as planarians, prefer a quiet, dark spot. So you don’t expect to find them baking in the glare of the media spotlight aimed by news outlets like CNN and NBC. That recent focus is ...

It’s dark, slimy, and one of the world’s worst invasive species. And it might be in your leaf litter. Originally from Papua New Guinea, the New Guinea flatworm has made its way to North Carolina. On ...