...some do & some dont...but the good Professor has earlier explained that much like the rear fangs...constriction has come & gone through the ages...so i wondered...would the opisthos w/ the most virulent venom...be less likely constrictors??? Regalis definitely falls there...Clelia appears to have a much less virulent venom & is a strong constrictor...How about Conophis...a fast slim & purportedly hot rear fang???
I offer a live mouse to find out...@ first the mouse scares the guarder..then it flees ...bad idea.. a streak balls it up & I have my answer...& the ? remains...




