Single reason NOT to own an urchin

Glue down your frags rocks

season 1 musclebob buffpants GIF by SpongeBob SquarePants
 
I have a rock boring urchin in a 65 gal that hitch hiked in on live rock that is now the size of a baseball. Gonna have to give him up sadly because he is getting way too big for my tank and starting to graze on my psammacora and pavona corals now that he has stripped the rocks of coraline.
Mine too is the size of a baseball in a 40B. He hasn't touched my SPS yet
 
Have you used them before ?

I gotta see if I can find them local here in NJ first and than see if anyone else wants to group up an order !
 
Have you used them before ?

I gotta see if I can find them local here in NJ first and than see if anyone else wants to group up an order !
Have I used "them" before? KP Aquatics....yes and a great dealer. Pencil urchin...no
 
Interesting that the pencil urchin link says "not reef-safe." (Wonder what that means).
"During the day it will seek shelter in the rocks; at night it will come out and forage for food, looking particularly for algae lawns and smaller invertebrates like sea squirts or sponges. It can be destructive to corals."
 
Interesting that the pencil urchin link says "not reef-safe." (Wonder what that means).
They eat more than algae , when I had a pencil it would eat GSP , clove polyps and big feather dusters
 
I've got one urchin that kept wanting to pick up a 3" frag disc with a kenya tree on it. It eventually decided to grab something else and dropped the frag on the substrate.

The ironic part is that I decided NOT to move the frag disc back to where I normally kept it, and that little kenya tree has never looked better.
 
Mine likes to dress for the night out. I’ve removed the blue mushroom 3times and the Rasta zoa once. But got to love it, my rocks have never been so clean! One drawback, with nothing left on my rocks it has spent the last three days cleaning my coralline algae of the back wall. I supplement with pieces of nori, it spends all day eating it. I’ll stop when it’s back on the rocks.
 

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Had a pencil urchin in my display. Ask me if they like leptoseris.

(He's in the sump now and gets shrimp pieces and chaeto)
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
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