FT. PIERCE, FL. (wqcs) - In 1992, a few lionfish escaped in south Florida. Since then, they have invaded the eastern U.S. seaboard up to Rhode Island, the Gulf of Mexico and the entire Caribbean Sea, from shallow water down to 1,000 feet deep. The invasive lionfish are perfect killing and breeding machines. They are voracious predators, protected with venom spines, and breed by the thousands. Lionfish could collapse entire fisheries and ecosystems. Lionfish population control by spearfishing is limited. New research shows big fish like groupers eat the invaders. But our best allies at this war are themselves overfished. Protecting big fish, we protect our oceans. At Ocean Research & Conservation Association (ORCA), we do research on invasive lionfish.