I think this is something

I spotted these things near the Indah wreck in the Lembeh straight at about 10m. Does anyone know what they are?

Not seen those before!

Alex

They are definitely something!

You sure about that james? I was gona go with nothing....

Huh??? I'm stumped too. Did they move? Do anything?

I couldn't see any movement. They just kind of stuck there on the side of the rock.

Okay, I found your beast. It's an acoel flatworm. There are two similar pictures on the web, one of which is called "Family Convolutidae, cf Amphiscolops" (the "cf" means the identification is uncertain) and the other calls it Waminoa. It's pretty clear that this group of flatworms is not very well known!

http://www.thegoldfishbowl.co.uk/atlas.cgi...rm+Convolutidae

http://www.stephenwong.com/gallery/coralao...m_01_Waminoa_sp