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Does anyone have an idea what this is? It was on my glass just kinda sitting there. It had the body that was darker and then some lighter thinner filaments coming out of the top b
The problem is that it's body looked way too smooth for a bristle worm. That's what had me wondering what it was. Here it is in the sand. Sorry for another bad photo
It could also be a sponge predator. Unfortunately Chucks Addiction is down, but they had some good pictures of them. I won't rule it out, but it's possible. Keep an eye on where it likes to hang out.