Baruch Dayan Emet. Blessed is the true Judge.
I found him on the bottom of his tank, a blue-legged crab about to take a nibble. It was upsetting, to say the least.
Texted D & C: Blellow II died!
D said, It's always a sad day when a fish dies.
I sent him on his way to fish heaven, and went about my business. In the end it wasn't such a bad day, although I did feel guilty. D had warned me this might happen, so I bought a bigger tank, but you can't just add fish, the tank wasn't ready in time.
So like all aquarists, I blame myself.