02 Assiminea grayana

02 Assiminea grayana

Translucent shells in air darkened by bodies to blackish and dark brown; usual appearance when found on shore, often caked in mud. Eye near tip of short stumpy tentacle distinguishes it from similar species on North-west European shores. Heights 4 mm & 3.5 mm. November 2010. Tidal River Dee, Wales.