Sand sifting Gobies / alternatives

[Rhygar666]

My Tank is about 90 Gallons. I want to get something to clean my Sand properly ofc i would love to have some Sand sifting Gobies but they all seem so big, is there a Goby that is smaller and sifts good as well, also i dont want a species spitting sand all over my rocks.
Or should i forget about Gobies get a Sand sifting Sea Star, some Nassarius snails and other various Sand Cleaner if you know more pls write here.

I also want a Pair of Yellow Watchman Gobies http://www.liveaquaria.com/product/prod_display.cfm?c=15+31+228&pcatid=228 and a Tiger Snapping Shrimp does this even work together with a Sand Sifting Goby?

 

[Genera]

I wouldn't get sand sifting gobies, but that's me, and I have a deep sand bed. There really isn't a sand sifting goby that doesn'y get sand anywhere. If you have a deep sand bed, do NOT get a sand sifting goby or starfish, your sandbed will crash. The reason the sand sifting gobies and stars 'sift', is to eat, and will decimate microfauna populations in a closed system rapdly. For sand sifting, fighting conchs are GREAT, and cucumbers are a close second. Those two will keep the sandbed looking sharp. Nassarius snails are pretty good too, they eat detritus and dead things, but not algae. Sand sifting gobies are great at finding their way onto the floor too, beautiful fishes, but have too many cons for me.