Strange new member

[aecarval]

Do you know what is this strange thing that appeared in my reef tank?

 

[KJ]

Hard to tell from the pic!

 

[vetteguy53081]

Looks like Annelid worm.

 

[RedFrog211]

According to these illustrations, it could be a type of ribbon worm

 

[aecarval]

According to these illustrations, it could be a type of ribbon worm

First of all, thanks a lot for replying. Is it dangerous? Do I need to take any action?

 

[RedFrog211]

First of all, thanks a lot for replying. Is it dangerous? Do I need to take any action?

I’m pretty sure they’re harmless, but if you see it again, probably wouldn’t hurt to remove it