I've had several over the years but last one 8-9 years ago or so. Especially one was really cool, very clever, she rode on my shoulder almost everywhere I went. She was friendly from the day I got her, even if she never had been handled. I don't have them anymore because it is difficult how short lifespans they have. But I had about 15 over time, plus my friend's rats that shared space with mine, so maybe 30 in all.