Keratosis is the term for any condition that is a benign overgrowth  and thickening of the epidermis.
Opilio Crab. Chionoecetes, the proper name of the Opilio Crab is a genus of crab that lives in the colder waters of the northern Pacific and Atlantic Oceans. The Opilio Crab is very spider like in appearance and has four pairs of legs that are quite spindly looking.hionoecetes, the proper name of the Opilio Crab is a genus of crab that lives in the colder waters of the northern Pacific and Atlantic Oceans. The Opilio Crab is very spider like in appearance and has four pairs of legs that are quite spindly looking.
The Bering Sea (West coast of Alaska), Beaufort Sea (North coast of Alaska), and the Chukchi Sea (Northwest coast of Alaska) are all bodies of water in which Chionoecetes opilio can be found. As mentioned before, there is a population of snow crabs that lives off of the coast of Maine in the Atlantic Ocean.