Friend, pest, something else?

[manzoherz]

Good morning! These hairy tubey things have started appearing on some of our corals and there's one just sitting in the sump tank glass bottom. Just wondering if it's something harmful or if we should leave it be? Any ideas as to what this might be - sorry this is the clearest picture I could take. Many thanks

 

[DED65]

Pineapple sponge, filter feeder.

 

[manzoherz]

Thanks very much!

 

[Reefkeepers Archive]

Pineapple sponge, harmless filter feeder

 

[ISpeakForTheSeas]

Welcome to Reef2Reef!

As mentioned, you have harmless, filter-feeding Pineapple Sponges (genus Sycon) - they're common in newer tanks, and their population tends to boom then bust before finally going away on their own.

 

[EeyoreIsMySpiritAnimal]

Good morning! These hairy tubey things have started appearing on some of our corals and there's one just sitting in the sump tank glass bottom. Just wondering if it's something harmful or if we should leave it be? Any ideas as to what this might be - sorry this is the clearest picture I could take. Many thanks

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...

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