What are these

[Portuguesenrg]

http://images.tapatalk-cdn.com/15/12/02/72965c37fe4d4ca946fb6c20cb3d8ad8.jpg

Are these flat worms or brissle worms
They don't seem to be affecting any of my corals just noticed them around


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[Proteus]

Bristle worm.

Harmless but a indication of available food. Due to over feeding and or lack of cleanup crew

[Portuguesenrg]

Okay that's what I figured , seen them start to appear after I added a coral attached to some LR so I guess they must of made there way to my tank


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[hillegom]

I think we all have these worms. Can be considered part of your cleanup crew.
As mentioned, their numbers will wax/wane depending on the amount of food that is available to them.
Can be burdensome if they get too large, as in 4-6 inches. But some people state they don't mind them large.
If a problem, place some shrimp, leftover food into a piece of nylon stocking overnight. The worms will catch their feet into the nylon, and in the morning, chuck the nylon.

[ponokareefer]

I've got a monster one in my tank. I haven't seen both ends at one time ever. I haven't seen any ill effects from it being in my system. I do see it eating excess food if there is any.