A snake can do this because the two halves of the lower jaw are joined by a stretchable ligament. Only 15% of the total number are venomous and should be treated with caution and respect. A coiled snake can strike up to two-thirds its body length. A few species can subdue larger more active prey by constriction, thus immobilizing the victim before swallowing it. What are the symptoms of a cat-eyed snake bite? In addition to this feature, youll have to look out for other factors. Experts warn,