“ We know of no other orientation behaviour in any animal capable of such a high frequency of body turning, ” said Camhi, quoted in New Scientist. “ If the cockroach were not such a bad house guest, it would no doubt receive the admiration it richly deserves. ”
१९८० च्या दशकाच्या उत्तरार्धात एक प्रयत्न म्हणून सरकारने हजारो मांसाहारी कासव गंगेत सोडले.