God told a human that told us all
The Pacific Northwest tree octopus (Octopus paxarbolis) can be found in the temperate rainforests of the Olympic Peninsula on the west coast of North America. Their habitat lies on the Eastern side of the Olympic mountain range, adjacent to Hood Canal.
Mono meaning one and poly meaning many or more than one, there are anywhere between two and ten monosaccharides in a polysaccharide.