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.
Fortunately, the opilio crab fishery emerged as a saving grace to the struggling king crab fleet from the mid 1980s and well into the 1990s. As the opilio quotas dwindled in the late 1990s, different management plans were discussed to end the Olympic-style fishery that Bering Sea crabbers had perfected.