Amends the federal criminal code to expand the prohibition against the importation or shipment into the United States, or its territories and possessions, of any injurious animals to include any existing or subsequently discovered member of the species Python molurus (including Python bivittatus [also known as Python molurus bivittatus]), Broghammerus reticulatus (also known as Python reticulatus), Python sebae, Python natalensis (also known as Python sebae natalensis), Boa constrictor, Eunectes notaeus, Eunectes deschauenseei, Eunectes murinus, or Eunectes beniensis.