Shrimp Gobies

Hello!
I am planning to get a Shrimpgoby - Bumble Bee - later, after my tank is done cycling. I was wondering, how big do Bumble Bee's get?
THX in advance :joy:
-Matt :happyfish
 
BUMP

Oh, and by the way, where do they usually swim? (like, top, bottom, middle, or no specific level) :joy:

-Matt :happyfish
 
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