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Today I took a trip to the remote Goa Kasah caves here in Kerinci, Sumatra. We came across this incredible white spider while we were inside! It was about 4 inches in length.
Inside a cave in the Kerinci Seblat National Park, Sumatra, Indonesia.
On first glance, I assumed this was some sort of bizarre cave-dwelling spider with some very unique adaptations. Unfortunately, it was too high up on the cave wall to be able to study it well. I immediately posted the photo when I got home, and a friend suggested that it could be a spider covered in a fungus. A close inspection of a hard crop did seem to show similar patterns on the legs with another type of spider we came across in the cave (which you can see in the last picture). So in the end, this seems to be a variety of Huntsman spider (Sparassidae) infected with a pathogenic fungus, possibly a type of Cordyceps. What a horrific way to go!