The fossa is a slender, long-tailed, cat-like mammal that is endemic to Madagascar. It is a member of the carnivoran family Eupleridae.
The fossa is the largest mammalian carnivore on Madagascar and has been compared to a small cougar, as it has... Wikipedia
Conservation status: Vulnerable (Population decreasing)
Scientific name: Cryptoprocta ferox
Mass: 21 lbs (Adult)
Family: Eupleridae
Length: 2.4 ft. (Adult)
Closest relative: mongooses
Class: Mammalia
Source: Encyclopedia of Life