Kati Jost nightdive at abu dabbab 6, no glue what it is....
never seen before, very cool. :-)
Kati Jost in 8m depth, around 3.5cm long
Nathalie Yonow lovely! this is Platydoris pulchra, p 273 in The Book, where it is unidentified. it seems to be very rare in the Red Sea...
João Pedro Silva Trailing (or tailgating) behavior is also sometimes observed in Platydoris argo, very common here in Portugal (the nudi, not the behavior):
http://www.flickr.com/photos/jpsilva1971/6473082617/
Sven Kahlbrock nice one, saw it only once at Gota Abu Ramada/ Hurghada several years ago