Madagascar Hissing Cockroach

Gromphadorhina portentosa

"Whistle like a cockroach"

It is one of the largest species of cockroach, as it can measure up to 7 centimeters.

When it feels threatened, the Madagascar hissing cockroach does as its name suggests, it hisses. It produces the sound by forcefully expelling air from its body by the spiracles.