http://www.pictonb.freeserve.co.uk/nudibranchs/dorsti.html
http://www.mermaid1.demon.co.uk/sticta.jpg
http://www.seaslugforum.net/showall/doristic
http://www.habitas.org.uk/marinelife/species.asp?item=W13970
http://opistobranquis.info/en/guia/nudibranchia/euctenidiacea/doridacea/doris-sticta/
http://www.medslugs.de/E/Atl-NE/Doris_sticta/Selection.htm