Not really answering your question, but the Belgian Congo photo is probably more notable and consequential.

https://en.wikipedia.org/wiki/Nsala_of_Wala_in_the_Nsongo_Di...

For comparison https://web.archive.org/web/20000510121518/http://noop.rotte...

I am aware it's more famous. I've already seen it, but I'm not sure it's more disturbing as a photo (admittedly I am not going to look at the one described above to compare).