Onchidoris muricata. Length 8mm. Sole yellowish white, translucent, showing tapered brown digestive gland and adjacent opaque yellow ovotestis. Oral veil partly concealed by fully expanded foot. Anterior of foot rounded. Menai Strait. March 2012. Species Onchidoris muricata Photographer / copyright holder I.F. Smith
Onchidoris muricata. Length 8mm. Translucent gills on left of image. Ten oblique lamellae on rhinophores. Club-shape tubrcles with broad rounded tops on mantle. Menai Strait. March 2012. Species Onchidoris muricata Photographer / copyright holder I.F. Smith
Onchidoris muricata. Length 8mm. Yellowish white rhinophores and ring of small inconspicuous gills. Body translucent; yellow viscera visible. LWS. Menai Strait, Wales. March 2012. Species Onchidoris muricata Photographer / copyright holder I.F. Smith
O. muricata & A. proxima; comparison of rhinophores & tubercles. From Alder, J. & Hancock, A. 1845-1855. A monograph of the British nudibranchiate mollusca. London, Ray Society. (as Doris aspera & Doris proxima.) Species Onchidoris muricata Photographer / copyright holder I.F. Smith
Comparison of tops of peripheral tubercles. O. muricata: blunt broad rounded top, except smallest tubercles at mantle edge (Menai Strait). Adalaria proxima: narrow rounded point (Orkney). Species Onchidoris muricata Photographer / copyright holder I.F. Smith
Onchidoris muricata. Length 8mm. Ten oblique lamellae on rhinophore. Blunt-headed tubercles on mantle. Low water spring tide, Menai Strait, Wales. April 2011. Species Onchidoris muricata Photographer / copyright holder I.F. Smith
Onchidoris muricata. Length 8mm. Foot contracted, revealing underside of finely spiculose mantle, mouth and posterior edge of oral veil. Orange spheroid may be parasite. Low water spring tide, Menai Strait, Wales. April 2011. Species Onchidoris muricata Photographer / copyright holder I.F. Smith
Onchidoris muricata. Length 8mm. Sole yellowish white with spicules, translucent, showing tapered brown digestive gland and adjacent opaque white ovotestis. Yellowish oral veil. Anterior of foot rounded, not indented by mouth. Species Onchidoris muricata Photographer / copyright holder I.F. Smith
Onchidoris muricata Length 8mm. r: round topped club-shape tubercles on periphery. f: flat topped club-shape tubercles on dorsum. g: translucent gills. Mantle raised showing dorsal surface of foot. Low water spring tide, Menai Strait, Wales. April 2011. Species Onchidoris muricata Photographer / copyright holder I.F. Smith
Onchidoris muricata. Length 8mm. Yellowish white rhinophores and ring of small inconspicuous gills. Body translucent; yellowish viscera and shiny spicules visible. LWS. Menai Strait, Wales. April 2011. Species Onchidoris muricata Photographer / copyright holder I.F. Smith