Besides the garters I like turtles, but haven't kept many lizards, the blue tongues and the knob tails are interesting creatures that I have long admired and considered. Always liked the crocodilians, but don't think they are really suited for the residential basement, although I did have one in our basement when I was a kid 35yrs ago, back when they sold caimens in all the local pet shops, different times back in those days, nobody thought anything of it, but now a days some people get their underwear in a bunch about keeping garter snakes even, crazy.
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Jeff Benfer
gartersnakemorph.com