It can be interesting to take a form out of its natural environment and use it as a design element. Case in point: the octopus. Here, it is rendered as a pendant in bronze by Cavin Richie, strung on a fabric cord.
It sells for USD$64 from Wildlife Wonders.
IntoTemptation.....jewellery musings 
I’ve been really drawn to sea life jewelry. Here is my own octopus pendant: https://themakeuptrain.com/2016/04/11/michaels-craft-store-jewelry-haul/