so, I loaded up a new save file and I played for a while, found a rogue male, but then he disappeared and I thought he was gone, but I got my vision in view of the water, and he was drowning himself. A few in-game days later, a wandering female comes up and starts drowning herself too! meanwhile the Rogue male stayed in the same position the whole time. Here is the picture (with my own nicheling in the background)