Lionfish are strikingly beautiful, surrounded by a halo of long, venomous spines. But as an invasive species, they are wreaking havoc on coral reefs in the Atlantic. With few natural predators, they are devastating populations of native fishes - including some that have yet to be described by science. Can they be stopped?Read my latest PLOS Ecology blog post: Invasive Lionfish Feast on Unknown Fish Species.