Clicking in my tank

[Willow]

Originally Posted by chwkreefer

That would be my guess too. I had a similar thing happen to me many years ago. It would sound like a couple of marbles banging together. By the amount of noise I thought it would be a 6" mantis. Turned out it was a little pistol shrimp about an inch long.

wow mines exact the opposite, thought for a year i had a big pistol, turned out that it was a big ol' mantis.