I have a 90 gallon reef and I am stuck between getting Diamond Watchman Goby, and a Sleeper Gold Head Goby. Which does the best job at sifting the sand and keping the top clean and nice looking?
http://liveaquaria.com/product/prod_Display.cfm?pCatId=213
http://liveaquaria.com/product/prod_Display.cfm?pCatId=220
http://liveaquaria.com/product/prod_Display.cfm?pCatId=213
http://liveaquaria.com/product/prod_Display.cfm?pCatId=220