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shared by Brian Heisey on 06 Aug 11 - No Cached

Their nickname, "hissing cockroach," is due to their ability to force gas through the breathing pores (spiracles) found on each segment of their thorax and abdomen.[1]
- Brian Heisey on 06 Aug 11
  
  When do the cockroaches in our classroom hiss?
  
  <div class="cArrow"> </div><div class="cContentInner">When do the cockroaches in our classroom hiss?</div>
  
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Males hiss more often than females.Males hiss sometimes as a challenge of battle.
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This is a difficult record to break because raw cockroaches contain a mild neurotoxin that numbs the mouth and makes it difficult to swallow.
- Brian Heisey on 06 Aug 11
  
  Can anyone find proof of this?
  
  <div class="cArrow"> </div><div class="cContentInner">Can anyone find proof of this?</div>
  
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...2 more annotations...
reaching 2–4 inches at maturity.
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they can be found in rotting logs.
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