ID Urchin?

#1
Found this in my DT recently. Showed up out of nowhere. Any idea what it is?
 

Sctip

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#2
Are you asking about the pencil urchin?

Ask and you may find out, don't ask and you will never know.
 

SynDen

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#3
Well that's a heck of a hitchhiker, but ya just a black pencil urchin
 

scchase

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#4
Naw not a pencil, its what is usually called a rock boring urchin, genus Echinometra, much more reef safe than pencil urchins
 

MuralReef

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#5
scchase;653333 said:
Naw not a pencil, its what is usually called a rock boring urchin, genus Echinometra, much more reef safe than pencil urchins
But they will eat right into live rock and can scratch acrylic.
 
#6
Nice, luckily I have a glass tank heh. Not too worried about the rock.

Thanks everyone!

Got a small piece of gulf cultured rock a few months ago. Guess there was an egg on it that finally hatched.
 
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