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I have one in my 24g aquapod to pair with my yasha haze, got him in very small and it took a few days for the goby to find him. Sort of regretting it now though, once they paired they spent a few days in the front corner of my rocks then moved to the rear of the tank. I haven't seen the shrimp since (except for the piles of sand they dig up) and only see the goby once a week or so for about 10mins. Other then that I never hear anything at all from him, and my very large skunk cleaner shrimp is fine (not sure if the size difference wasn't so vast if that would be different)
I say go ahead and get one if you want one, but if you're getting it to pair with a shrimp goby realize you might never see them again LOL