I might obsess slightly over the the puffers but they are such singular oddballs. On occasion, they will be frighteningly fat first thing in the morning. What could they possibly have eaten? First thing I check is the pistol shrimp. Nope, there he is opening up shop for the day. Hermits? All fine. Hmm... My best guess are giant amphipods (maybe 300 of them?) or 50 brittle stars.
This picture doesn't even capture how big his stomach is.
