Spiny Urchin or Tuxedo Urchin - which is better?

My LFS has some Spiny Urchins & Tuxedo Urchins (multicolor), I was curious which ones are better suited for the aquarium? Goal is for them to take care of some small pockets of Hair Algae. I plan to swing by at the end of the day so the quicker the responces the better
Thanks!
 

nycbob

Active Member
either one of them is going to take care of ur hair algae problem. tuxedo urchins r reef safe though. for hair algae, sea hares r the only thing that would eat it.
 

btldreef

Moderator
Tuxedo urchins do a great job with most algaes, but hair algae is 50/50.
Sea hares will devour hair algae, but they'll quickly starve to death once its gone.
Have you considered hermits, emerald crabs, snails or an algae blenny?
 
My tuxedo ate hair algae when I had it (the algae) but my HA wasn't the thick, dark green kind. More like the thin, yellow-green kind of HA.
I love my tuxedo urchin. He (or she) is such a goofball. Always grabbing stuff and carrying it around the tank. It tries to steal my digital thermometer all the time.
 
The Spiny Urchins they had were huge and they wanted too much for the Tuxedo Urchins, but they did have a lesser 'Green Urchin', does anyone know much about them? I guess they had it for a while, just curious how they stack up against the Tuxedos? Thanks!
 
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