| Date: 2025/06/02 | File Size: 17.90 MB |
| Duration: 00:00:10 | Frame Size: 1920 x 1080 |
Horsehair worms (Nematomorpha) seen after a rainfall in Toronto, Ontario, Canada, on May 29, 2025. Horsehair worms are also known as hairsnakes, or Gordian worms. The adult worms are free-living, but the larvae are parasitic on arthropods, such as beetles, cockroaches, mantises, orthopterans, and crustaceans.