That is different form of mercury, bonded with carbon, which is easily absorbed by body.
Pure mercury is nowhere near as toxic nor dangerous as the Dimethylmercury from the other video.
I know, it takes man's interference to create this shit.
Chemistry is a wild beast, like this other monstrosity created by man: https://youtu.be/dAhiqGZCwNQ?si=ITR3lsEFmzzbJFsg