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. Wikipedia
Scientific name: Gromphadorhina portentosa,
Rank: Species,
Higher classification: Gromphadorhina,
Kingdom: Animalia,
Phylum: Arthropoda,
Class: Insecta,
Order: Blattodea,
Family: Blaberidae,
Subfamily: Oxyhaloinae,
Tribe: Gromphadorhinini,
Genus: Gromphadorhina,
Species: G. portentosa,
** Did you know: In hissing roaches, the hiss takes three forms: the disturbance hiss, the female-attracting hiss, and the aggressive fighting hiss. wikipedia.org.
More info: https://en.wikipedia.org/wiki/Madagascar_hissing_cockroach