I once had a glass fish bowl with 3 fish living inside. I accidentally smashed the bowl We managed to catch the fish and put them in a bucket but sadly, they didn't survive the night Another rime, I put all new fish in to a new tank but there must have been something wrong with the water as they were all dead the following morning I still feel bad about them incidentsWe had a goldfish when I was a child...a long time ago! My mum and dad looked after it very well and it lived in an old conservatory. One winter we had in the early 70’s it was very cold and the fish tank froze solid with the poor fish inside. We were all so upset, after that we bought another tank, had it inside with a heater...still feel bad to this day!