Tuxedo Urchin redecorating the tank

Our tuxedo urchin commonly carries around zoas, but tonight he decided to pick up an entire frag plug of zoas and carry them off.
 

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Students love the urchins in our classroom tank and see what they "wear" each day. Funniest have been 8" plant, upside down hermits and big capnella. Not so funny - green nephthea from last frag swap which was taken on a one-way journey somewhere behind or in the rockwork. I just wish they didn't scrape off all the coralline algae.
 
One of my tuxedo urchins has been carrying the same colony of radioactive green zoanthids for 3 years. It was a nightmare at first in my 28 gallon, it was constantly moving things around. It finally grabbed 5 radioactive green zoanthid polyps and was content with that. Now, the colony is so big you can barely see the tuxedo urchin underneath. I am sure it makes it feel more secure lol.
 
One of my tuxedo urchins has been carrying the same colony of radioactive green zoanthids for 3 years. It was a nightmare at first in my 28 gallon, it was constantly moving things around. It finally grabbed 5 radioactive green zoanthid polyps and was content with that. Now, the colony is so big you can barely see the tuxedo urchin underneath. I am sure it makes it feel more secure lol.
Zoa armor.
 
One of my tuxedo urchins has been carrying the same colony of radioactive green zoanthids for 3 years. It was a nightmare at first in my 28 gallon, it was constantly moving things around. It finally grabbed 5 radioactive green zoanthid polyps and was content with that. Now, the colony is so big you can barely see the tuxedo urchin underneath. I am sure it makes it feel more secure lol.

Pictures! Pictures!! :)
 
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