Translucent mantle shows yellow viscera (1). Thick mantle edge (2). Transparent operculum, mostly invisible against black background (3). Yellow columellar muscle (4). Yellowish streak of end of columellar muscle attached to, and seen through, operculum (5). Orange-brown, oval faecal pellet in intestine (6).
North Wales, March 2015.
: flic.kr/p/2ogofx8
Sets of OTHER SPECIES: /