More things an urchin picks up...

[Son Of Skyline]

I don't think tuxedo urchins feed only on corraline. They'll eat other forms of algae as well. My tuxedos don't completely eat corraline, but just kinda scrape at it as they pass on by.

Originally Posted by Dorkel Marine 1

Thanks for the link. After reading that it seems the tuxedo urchin is the one to get. Has anyone had one in a 30 gal tank. Article mentions they like coralline algae. My concern is does my tank have enough coralline. I could switch him back and forth between the tanks. Or would that be too much stress. The water parameters are basically the same in both tanks. Ummm.
Any comments appreciated.

How big do these tuxedo urchins get.

George