The vaquita porpoise The rarest and most endangered marine mammal in the world could go extinct in four years without stepped-up enforcement measures, new research suggests. Vaquitas, rare porpoises that live off the coast of Mexico, have been dying in droves, because the animals get caught in fishing nets. Now, a new study shows that governments are doing little to protect the animals against illegal fishing nets. Read more http://www.foxnews.com/science/2014...ered-porpoise-could-be-extinct-in-four-years/