what the heck is this???

[littlefoxx]

Okay so I get freaked out about stuff that looks like centipedes… and this NASTY thing fits that bill for sure!!! What is it? I saw it in my tank and screamed… its in a cup of tank water for now.

 

[archercorals]

Bristle worm

 

[littlefoxx]

Bristle worm

Good for the tank?

 

[ISpeakForTheSeas]

Good for the tank?

Yeah - harmless/beneficial (just don’t try to grab one - the bristles are prickly).

 

[FrugalReefer]

Bristle worm, good CUC member. Just control the population and don't let them get too big or else you get something like this.

 

[EeyoreIsMySpiritAnimal]

PLEASE read the sticky threads provided in each forum... They will answer so many questions for you!

Guide to Common Hitchhikers in reef tanks.

The purpose of this thread is to hopefully assist hobbyists in obtaining the correct id and method of treatment to common hitchhikers. Both; the good ones and the bad ones. 1) Anemones: Some times called the flowers of the sea, many hobbyists keep them intentionally for their striking colors...

www.reef2reef.com

What is that!! A R2R guide to common new tank hitchhikers.

One of the greatest things about starting a reef tank is getting your live rock in and admiring all the diversity within it. The rock comes to life different creatures. This is a guide that I, along with a very well known critter identifier @KJ , have put together for the new reefer on what...

www.reef2reef.com

 

[littlefoxx]

Does anyone pull them out of the tank when they see them or just leave them?? watched the tank after lights out and found about 6-7 of them!

 

[vetteguy53081]

Does anyone pull them out of the tank when they see them or just leave them?? watched the tank after lights out and found about 6-7 of them!

I do and just pulled one at 8" I did not realize was in my tank.
Its true as some indicated - they are harmless and considered clean up crew eating detritus and uneaten food, but also scare many and undesired by many and they can populate.
Its a matter of choice on your behalf.