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The Madagascar hissing cockroach is all hiss and no sting. Its alarm hiss, which sounds like a loud snake hiss, is the cockroach's attempt to scare off intruders. The male cockroach also...
Madagascar hissing cockroaches are large cockroaches (2-3 inches long and 1 inch wide), which are native to the island of Madagascar, off the coast of Africa. Males look different from females (sexual dimorphism). Males have prominent protrusions on the thorax, which are called pronotal humps.
The Madagascar hissing cockroach ( Gromphadorhina portentosa ), also known as the hissing cockroach or simply hisser, is one of the largest species of cockroach, reaching 5 to 7.5 centimetres (2 to 3 inches) at maturity. They are native to the island of Madagascar, which is off the African mainland, where they are commonly found in rotting logs.
