What eats Coraline algae other than urchins?

[shrimpchips]

Originally Posted by riceboy

i wouldn't mind in getting some lol, its a pain in the but to scrape the back panel of the tank lol.

They like to eat all the coralline off the acrylic overflow - I think it has a harder time growing onto it, and consequently it's easier pickings for the chitons.

The back glass they only scrape parts here and there.