I wish they would quantify the temp change rather than giving a meeningless satalite image for visual impact.
Twice in recent years, my tank has shot from a regular temp of 78 to over 90 degrees (92 and 94). The worst casualty was 3 years ago when my 20 head frogspawn completely melted to a bare skeleton when the tank hit 94. Oddly, I left the skeleton in the tank, and it regenerated from literally nothing into an equal sized animal that I've fragged a few many times now. I'll have to find the pics.
That experience always makes me skeptical when "they" simply blame water temperature. Yes, it's a factor, but probably less significant.
I wouldn't be surprized if it's really a microbial predator that thrives at higher water temps, or oxygen starvation because the water flow is relatively stagnant.