Why: Badgers, seals, porpoises, dolphins, dugongs, and similar creatures are unholy.
Answer: A large marine mammal which, together with the manatees, is one of four living species of the order Sirenia. The majority of dugongs live in the northern waters of Australia. It looks like this:
The More You Know: A current popular theory is that the dugong is the animal whose skin was used to cover the Ark of the Covenant. This translation is based upon the similarity between the Hebrew word for the animal (tachash) and the Arabic word tukhas, which means dugong.