I like his transparent skull, Barreleye Fish:
http://www.youtube.com/watch?feature=player_embedded&v=RM9o4VnfHJU
Link for the rest:
http://www.weather.com/news/science/nature/worlds-most-bizarre-sea-creatures-20130618
http://www.youtube.com/watch?feature=player_embedded&v=RM9o4VnfHJU
Link for the rest:
http://www.weather.com/news/science/nature/worlds-most-bizarre-sea-creatures-20130618