I found this out the hard way. When my sister and I were young, there was a carnival nearby, and they had some sort of ball toss game where you could win a gold

I found this out the hard way. When my sister and I were young, there was a carnival nearby, and they had some sort of ball toss game where you could win a goldfish. So we both won our goldfish and took them home in the tiny globe aquariums. I can't remember what happened to my fish, but I think it was out of the picture quickly. My sister's fish was named "Goldie" and, having a scientific mind, I was curious what would happen to the surface tension of the water in there if I dropped a fingernail of soap into it. Well, Goldie immediately said "feeding time!" and gulped down the soap. I snuck away, and eventually heard my sister cry "Goldie's Dead?!" from our room, and I think I eventually had to 'fess up.