someone built a sand mountain in my tank...who?

[tableforglasses]

Hey guys, I came home from work today and I went over to my tank to check out my new fish. I just added a naso tang and a diamond goby. I also have 2 percs. Anyways, as soon as I looked in, I noticed a sand mountain in front of one of the rocks, this is no little thing, it is like 3 inches high (above my sand bed). The goby was sitting on top of the mountain, but I can't imagine him having the power to do that. What could have done it, was it the naso? I got lots of little crabs and a couple emeralds. Just curious, as to anyone's conjecture. I didn't see it happen so I have no clue.
thanks for the thoughts
Sean

 

[jonthefb]

the goby...he moves the sand with his mouth!
good luck
jon

 

[tableforglasses]

I knew the goby sifted sand, that is the reason why I added him, but gosh I never imagined him moving this much sand, is it in their nature to do this often?
thanks guys Sean

 

[demosthenes]

Yes, they sift very efficiently. In fact, the LongFinned Sleeper (V. longipinnis) is known to efficiently sift an average of 6 bites per minute! That may not seem to be a lot, but it is the greater than any other Sleeper has been capable of.

 

[travis truman]

what is the best looking goby........some of those things are ugly but they sound really cool.
I always wanted a watchman goby and a pistol shrimp

 

[demosthenes]

IMO? The OrangeSpotted Sleeper Goby (Valencienna puellaris) is the best looking Goby around, but that's just my opinion, which doesn't hold much water.