Flatworm

Observation - Flatworm - UK and Ireland. Description: 30-40mm long, 5mm wide and 2-3mm thick, while at rest. Leech-like locomotion, thinning to a point and stretching out to about 60mm. Black upper surface, pale undersurface. Unsegmented body, no surface texture, slime coat. Found on underside of rock where

30-40mm long, 5mm wide and 2-3mm thick, while at rest. Leech-like locomotion, thinning to a point and stretching out to about 60mm. Black upper surface, pale undersurface. Unsegmented body, no surface texture, slime coat. Found on underside of rock where earthworms were also sheltering and worm-soil was retaining moisture on an impermeable paving-stone surface.