http://slugsite.us/bow/nudiwkps/nudiwk17.html
http://slugsite.us/steve/steve_7.htm
http://slugsite.us/bow/pacific/rosacea.html
http://www.tik.ee.ethz.ch/~lech/TidePooling/hopkins_rose_nudibranch.JPG
this website exists no more:
http://www.biology.ucsc.edu/classes/bio161l/NUDI/hrosacea.html
http://www.oceanphotos.com/d522-17.htm
http://www.oceanphotos.com/d522-27.htm
http://slugsite.us/bow/nudiwkps/hop99_1.htm
http://www.crl.com/~divrdan/hopkinsrose.html
http://www.seaslugforum.net/showall/hopkrosa
http://slugsite.us/bow/nudiwkps/hopkins2.htm
http://slugsite.us/bow/nudwk305.htm
http://slugsite.us/bow/hop_food.htm
http://slugsite.us/bow2007/nudwk548.htm
http://www.photolib.noaa.gov/htmls/libr0437.htm
http://www.medslugs.de/E/Pac-NE/Okenia_rosacea/Selection.htm
http://www.medslugs.de/E/Pac-E/Okenia_rosacea/Selection.htm
http://smg.photobucket.com/albums/v109/divinman/Nudibranch%20archive/?start=120
http://scottpenny.smugmug.com/gallery/3881249_R9eMK/5
http://www.nudipixel.net/species/okenia_rosacea/