Kessil

Reef safe urchin that eats coralline off rocks and glass?

kinetic

Supporting Member
Anyone have a recommendation for a reef safe urchin that'll eat coralline off rocks and glass? I had a tuxedo urchin in the past and my tank never had coralline in it (not sure if it was a coincidence or if it did eat the coralline).

I heard somewhere that the tuxedo urchin would do it, but the shortspine urchin was really known for going to town.
 
Purple-spine urchins from Florida devour coralline algae; I wish they didn't scrape all of it off. Also can scrape insulation off of circ pump cables in the water if you don't wrap them with coil wrap.
 
No, it's like this: https://tbsaltwater.com/product/purple-spined-urchin-arbacia-punctulata/
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