Madagascar Hissing Cockroach (Gromphadorhina portentosa)

The Madagascar hissing cockroach , also known as the hissing cockroach or simply hisser, is one of the largest species of cockroach, reaching 2 to 3 inches at maturity. They are from the island of Madagascar off the African mainland, where they can be found in rotting logs. It is one of some 20 known species of large hissing roaches from Madagascar, many of which are kept as pets, and often confused with one another by pet dealers; in particular, ''G. portentosa'' is commonly confused with ''G... more