The grey distal half of the tentacles is more opaque (1) than the basal half, sometimes with a brownish tint (2), and contains sensory chemoreceptor cells (Wondrak, 1984). There is an internal black eye within the posteromesial base of each tentacle.
Near the anterior edge of the muzzle are two button-like, pads (“fungiform bodies” of Wondrak, 1984) which contain sensory cells (3), but they are inconspicuous on animals with white flesh (4).
Shell height 5 mm. Menai Strait. April 2018 (left, in air). Shell height 6.1 mm. Tidal River Dee, Wales. December 2018 (right, in water).
21 Myosotella myosotis form denticulata.
