creature id

I bought a couple stony corals last weekend and I notice on the bottom of the rock the lobed brain coral came on there are dozens of these little creatures that I've never seen before. If it's aiptasia, and I hope it isn't, they are much more attractive than I'm used to. At this point they are...

So, 1 year ago I bought this tree coral and it came with, maybe a hitchhiker or part of the tree coral itself, a whip like creature that came out from the bottom like roots. I've never known the name of the creature, but I would really really like to know the name of the creature today. I have...

Hi, I am new to the reef tank world and have a 39 gal setup. I have had good luck so far identifing the creatures found in and on my live rock but this one has been more difficult. I have attached a pic ( i hope) it is the white creature on the glass in the forground. round "head"...