Weird-Looking Things

This eeww-looking thing is Graeffe's Sea Cucumber.  Those are its feeding mouth pads in action. Don't know if this is the edible type of sea cucumber though.  

Coral Grouper using its camouflage to hide.

Humphead ParrotFish, not to be mixed up with the Napoleon Wrasse (refer to Diving Maldives for a pic)

Nudibranch, Phyllidia are molluscs who have lost their shells and now have "naked gills". Aka SEA SLUGS!