Dead Fish Swimming?
Yesterday, I went to get a dead swordtail out of my tank that I noticed. As I reached for my net, something caught my eye. I stared at the swordtail for a few seconds and it starts twitching and trying to swim! I can see that the gills are not moving. Weird. I tried to get it from the bottom of the tank and when I did it twitched some more, right now of the net. Completely shocked at this point, I let it alone for about 15 minutes and when I came back I knew it was certainly dead. It wasn't moving anymore. So my question is, why would the fish be twitching and moving, but it was clearly dead?