Fish Scales2;252468 wrote: When I was about 9 years old my mom worked in a pet store that had fish and reptiles only, I said it then that I would one day own a store. We always had a fish tank since then. When I moved out at 21 I bought a 10 gal, and within a year I had two 10's, a 29 and my first 55. They were all freshwater but saltwater was inevitable.