Lembeh Echinoderm

From Nudi Falls in the Lembeh Strait. Any ideas?

Would say Anemon first of all

oh i guess it could be a closed up anemone

Tuberculate or berried anemone in the genus Alicia, family Aliciidae. There are a couple of species in the Indo Pacific region.

Thanks Leslie. That's very helpful. I've had a root around and it's quite hard to pin it down to a precise species based on what's on the net. cheers

Gotta remember that a lot of the distinguishing characters for many animals are internal or microscopic. With anemones for example, the arrangement of the internal membranes is often crucial at both species & generic level, also the structure of the nematocysts. Sometimes there's just no way to identify them from images.