These worms resemble small pale earthworms.
Potworms are good contributors to soil fertility. They also help to keep the soil aerated providing oxygen for other organisms.
They feed on microorganisms lke bacteria and fungi, and also dead plant material.
Common and widespread throughout.
Length: 10-20 mm
When to see it
All year round.
Where to see it
Some species are terrestrial, living in organic rich environments like peat bogs, moorlands and moist forest biomes. Others live in freshwater or marine habitats. Further afield, other species called ice worms live in glaciers and will die if exposed to temperatures a few degrees above freezing.