is this a baby elegence?

[Anartica]

i saw this tiny(2mm) green thing on my rock, it has two small mouths that is just like mye eleganse, but it has no tentecals.
is this a baby elegance.
how do i make to survive?
what do i feed it?
i am moving it to a 10g so no fish can eat it.

http://bildr.no/thumb/1158599.jpeg (http://bildr.no/view/1158599)

http://bildr.no/thumb/1158600.jpeg (http://bildr.no/view/1158600)

the color is more alike then the pitures say

[elegance coral]

That looks like a sponge.

[Anartica]

im not so sure its a sponge,it looks more like the eleganse.

[tektite]

Sponge, definitely not an elegance coral.

[SushiGirl]

sponge, definitely not an elegance coral.

+1

[Typo R]

Looks like a yellow sponge.

[dsmhero]

Most definitely a sponge.