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.
Within many species, there are sub species and further divisions with many differences between them. The same is the case with crabs. There are many different kinds; snow crabs, king crabs, Opilio crabs, Bairdi crabs and so on.he two types of crabs vary in a lot of characteristics. This includes size, identification, taste etc. The largest snow crabs have a weight of about five lbs whereas the largest of the king crabs are quite heavier and can have weights up 10 to pounds.