I defer to the biologists and other people who work with venomous animals.See the California Academy of Sciences page at <a href="http://www.calacademy.org/exhibits/venoms/html/venoms_101.html.Also:Texas">http://www.calacademy.org/exhibits/venoms/html/venoms_101.html.Also:Texas</a> Parks and Wildlife page:http://www.tpwd.state.tx.us/learning/junior_naturalists/moresnakes.phtml#venomSite run by a marine biologists:http://blogs.thatpetplace.com/thatfishblog/2009/03/13/venomous-fish-vs-