In 1955, Hawaiʻi released a predatory snail to control giant African snails; it climbed into native forests and helped wipe out rare tree snails

In an effort to control invasive giant African snails, Hawaiʻi introduced a predatory snail, resulting in the tragic decline of its native tree snails and highlighting the ecological consequences of biological control in isolated ecosystems.

Raccontata daeconomictimes.indiatimes.com