White grubs?

Any chance you can pull them out in a container of tank water for some clearer pics? Also, does it have two little "horns" or "antennae" on it's head?
 
So after watching these little grubs. I think it's a type of flatworm.

20240702_042222.jpg 20240702_041759.jpg
 
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They are round. They are about 3mm max. The one in Tuesdays pictures is the biggest I have seen. That may also be 2 different species. The one looks like a common white flatworm. But idk. My main concern is if they are parasitic eating my good inverts.
 
They are round. They are about 3mm max. The one in Tuesdays pictures is the biggest I have seen. That may also be 2 different species. The one looks like a common white flatworm. But idk. My main concern is if they are parasitic eating my good inverts.
My best guess from the pics would be a Prosthiostomid flatworm (taxonomic family Prosthiostomidae) of some kind - I haven't looked too in depth at the family yet, but they're predatory toward inverts and sometimes corals.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

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