Partula tohiveana, or the Moorean viviparous tree snail, was native to French Polynesia before its wild population was decimated by the rosy wolf snail, a carnivorous and invasive species.

French Polynesia just may be the crown jewel of the South Pacific. This string of once-volcanic outcroppings is renowned for its white sand beaches, deep azure waters, breeze-blown palm trees, and ...