New fish ideas please

[Clown boy]

I am looking to get a fish today but would like one that moves the sand as there is always a little layer of dirt on top any ideas ?
Lee

 

[hackteck]

what size tank are we talkign about?

 

[Clown boy]

180 gallon spilt in two
Lee

 

[hackteck]

maybe you might consider a goby

 

[Clown boy]

Thanks had a look at a blue cheek goby which I have brought cheers for advice