Is this a worm?

[miler10498]

Hello, I found this today in Guam in about 15-20 ft of water. It seems to be some sort of worm but I'm really not sure, any replies greatly appreciated. Thanks, Melissa

 

[_Bella_]

It's a nudibranch.
It looks like Pteraeolidia ianthina, sometimes commonly referred to as the chinese dragon nudibranch.

 

[LeslieH]

Bella's right - it's not a worm & it is the nudibranch Pteraeolidia ianthina.

 

[maractwin]

Actually, it's a pair of nudibranchs, with their heads towards each other in the middle. If you timed your shot a little better, you probably could have caught them mating.

-Mark