We discover that the reason Madagascan cockroaches hiss is because they are scared, and hope that if they can sound like snakes, they will frighten off their attackers (usually lemurs).

• 他们发现，马达加斯加大蟑螂之所以要嘶嘶作响，是因为他们受到惊吓，希望藉著发出像蛇的声音，可以吓走牠们的天敌（通常是狐猴）。