Saw this dark, glossy thing gliding across my garden path. It has a pale stripe down its back and moves smoothly like a leech rather than inching like a worm. It looks totally foreign. What is it?

invertebrates, including woodlice, millipedes, and snails; describing it primarily as an earthworm predator confuses it with other introduced flatworms. Its ecological effects require locally informed assessment.

Finding one calls for care, not panic. Photograph it clearly, record the location and date, and ask a local wildlife or biosecurity service continue reading …