Akera bullata habitat: soak away pond for marine aquarium, Oban, Scotland. 50 m from sea. Combination of full salinity water from aquarium, rain and fresh-water run off from field. Pond destroyed September 2011. Species Akera bullata Photographer / copyright holder J.C.A.Craik
Akera bullata. Length 25mm. Epithelium pale brown overlaid with light and dark blotches and, on cephalic disc, dark streaks. Spire of shell prominent compared to Oban specimens. Fleet lagoon, Dorset, England. Species Akera bullata Photographer / copyright holder H.C.Marshall
Akera bullata. Very large specimens, 60mm and 80mm long, bred in aquarium from wild stock at Oban, Scotland. Species Akera bullata Photographer / copyright holder J.C.A.Craik
Akera bullata. Shell height 31mm. Specimen with spire hardly protruding beyond final whorl. Recently dead with intact orange-brown periostracum, and spiral break in whorls sealed by membrane. Seawater pond, Oban, Scotland. April 2010. Leg. Clive Craik. Species Akera bullata Photographer / copyright holder I.F. Smith
Akera bullata. Height 31mm. Shell thin, flexible, fragile, translucent, with orange-brown periostracum. Only sculpture many fine prosocline growth lines. Aperture almost as long as height. Seawater pond, Oban, Scotland. April 2010. Leg. Clive Craik. Species Akera bullata Photographer / copyright holder I.F. Smith
Akera bullata. Shell height 31mm. Specimen with spire hardly protruding beyond final whorl. Recently dead with intact orange-brown periostracum. Seawater pond, Oban, Scotland. April 2010. Leg. Clive Craik. Species Akera bullata Photographer / copyright holder I.F. Smith
Akera bullata. Thousands of dead shells littering the strandline mixed with dead Zostera. Fleet lagoon, Dorset. April 2012. A feature of this site since at least 1853. Species Akera bullata Photographer / copyright holder Malcolm Storey, www.bioimages.org.uk
Akera bullata. Spire wound round a central cavity instead of solid columella. Fleet lagoon, Dorset. April 2012. (Stacked image). Species Akera bullata Photographer / copyright holder Malcolm Storey, www.bioimages.org.uk
Akera bullata. Final whorl of shell separated from penultimate whorl by a slit near the suture. Slit in earlier whorls sealed with membrane, but breaking open again on this beached shell. Fleet lagoon, Dorset. April 2012. (Stacked image). Species Akera bullata Photographer / copyright holder Malcolm Storey, www.bioimages.org.uk