http://slugsite.us/bow/nudiwk70.html
http://slugsite.us/bow/roboastra/robo_la.htm
http://www.seaslugforum.net/showall/robotigr
http://www.medslugs.de/E/Pac-E/Tyrannodoris_tigris/Selection.htm
http://slugsite.us/bow2007/nudwk1162.htm