New goby questions????

[tony_3a]

Hey guys, I recently lost my Diamond watchman goby which really sucked, he got scared of something and leaped out of the tank then i believe he went into the overflow, I cant find him.

But what im wondering is, i liked how the diamond watchman goby cleaned the sand so well, but i have also seen some gobys in pairs that are really cool, I will spend the money to get a cool pair like that.

Any ideas guys?? Or just stick with diamond watchman goby.
That was my old goby, my 19 month old son loved him, every time when we would get home from being out somewhere, he would run to the tank excitedly looking for the goby.
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