scary nas snails

I was stairing at my fish poop for some reason, untill it moved. And after few min of looking, it wasnt a fish poop but a fish poop look alike black worm. I was worried and thinking should i take this guy out and throw it away? And Nas snail 3 of them just rose from the dead *came out from the sand* and just ate him like lion on buffalo.

Anybody have any idea what this warm might be? Sorry no camera

 

Wow. No idea. I didn't know nassarius snails ever went after living things, only dead stuff and leftover food. They're very good scavengers. Maybe it was fish poop after all, and not a worm.

 

Google peanut worm

 

maybe it was a peanut worm..but it was a size of fish poop. *shrugs*