Anyone know what this is???

[Skfoley4]

 

[EeyoreIsMySpiritAnimal]

Pineapple sponge

 

[EeyoreIsMySpiritAnimal]

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

 

[Skfoley4]

Pineapple sponge

Thank you! Never liked that cartoon and this thing is gross

 

[EeyoreIsMySpiritAnimal]

Thank you! Never liked that cartoon and this thing is gross

They are normal especially in a newer tank.
(And the name has nothing to do with SB! Lol)

 

[Rick's Reviews]

Pineapple sponge, these can get invasive so just be careful