alright this is obviously an opionated ? but what is the best type of goby lol....i guess in the aspect of mixing up the and....eating some of the junk on the sandbed and i guess is kinda amusing to watch ...the last one isnt near as important but i know it would be nice to have someone stir up my sand for me to help keep it clean...so ideas....and preferably not one that digs holes like the engineer