hmm... 17 years. I had a betta when I was about 15 and he lived a nice long time.. I took him with me when I moved out at 18, but he died soon after. I started keeping and breeding angels after that, and was at it for about 3 years. My husband got sick of it when we got married so I stopped and just had a pair and didn't breed them. Had a few other fish in there while I was on the Angels. When they died I stopped keeping fish. Took a lloooonnnggg break and just got into bettas a few years back, starting with Lunch, who would have been the catalyst for my current obsession if disaster hadn't struck. Took me a while to get over that.. but now I have Bettabettabetta and the other 6 kids
And that brings me to.. 8 years of serious fish keeping over the last 17 years.