I linked to an image posted in the hitchhikers thread by anouther person. He wasn't answered very solidly so I would like to know if anyone now knows what it is. I just fond one on my glass today. (tank just done cycling, no clean up crew yet though)
*sigh* alright. I must be brave now. *gets out larger hammer* The nudi's fate is no longer a matter of opinion. The sacrifice of one can save the many. The future of the aquarium must be preserved!