Help with ID....

9supratt4

Active Member
So I decided to take a look at the night time activity in my tank and I noticed something that I have never seen before.
It was something that looked like a worm and it was tan-white in color. It was thin and only about 1/8 - 1/4 of an inch. It moved VERY quickly and was having trouble getting into the sand. It is definitely not a bristle worm as I have many of those and it doesn't look like a copepod that I have ever seen. It would move up and down the glass trying to get into the sand, but then it would swim toward the middle of the tank then back to the glass again.
Any ideas?
 
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