Its not a big chain store. Ive only been a few times but the owner seems like he knows how to care for fish.(when I asked him his pwc schedule its every week for every tank + more as he sells, unlike another lfs where one of the workers told me she changes water once every 3 months and thought I was crazy for doing at least a weekly lol )All of his tanks and fish look very healthy. Hes had them less than a week... is there any way to sex them that young. They were at max 1",and they all looked pretty similar (to me anyway)? & should I go with a male and two females or all males? Id like to get 3