What's that stuff coming out of my urchin?

[seaweed]

Hi Everyone,
The other day I noticed these light brown/tan granuals coming out of what I thought was my spiney urchin's eye. Anyone have any idea what this is? Is he/she spawning? Here's a picture of my urchin, it's a little blurry. Thanks!
<A HREF="http://members.aol.com/alphaomicron/images/urchineye.jpgMy" TARGET=_blank>http://members.aol.com/alphaomicron/images/urchineye.jpg[url=http://members.aol.com/alphaomicron/images/urchineye.jpg]My urchin</A>

 

[seaweed]

Sorry, here's the correct Url:
http://members.aol.com/alphaomicron/.../urchineye.jpg

 

[fender]

Feces
Mouth is on bottom and bottom is on top......

 

[seaweed]

Thanks Rich,
And all this time I though that thing on top was his eye. lol!!!
-Seaweed