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How do hissers "hear" their hiss?


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Just curious really - does anyone know how hissers "hear" other roaches hissing? They obviously don't have ears like mammals do, and I am pretty sure they don't even have ear-like structures like crickets do, but I would have thought they must be able to "hear" or at least detect the sounds that others of their own kind make in enough detail to interpret what they mean (defence, mating etc.), otherwise they surely would not have evolved the way they have?

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2 hours ago, BlattaAnglicana said:

Just curious really - does anyone know how hissers "hear" other roaches hissing? They obviously don't have ears like mammals do, and I am pretty sure they don't even have ear-like structures like crickets do, but I would have thought they must be able to "hear" or at least detect the sounds that others of their own kind make in enough detail to interpret what they mean (defence, mating etc.), otherwise they surely would not have evolved the way they have?

They detect the vibrations with their antennae, cerci, and sensory hairs on their body to sense when the other roaches hiss. :)

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