Humans messed up the reef. Now a coral-eating starfish is taking over. Is all lost? Not if the Trapezioidea can help it, it’s not. Sometimes good things really do come in small packages.
On a coral that doesn’t need light to thrive, and how it conquered the seas half a world away from its place of origin—but not without a little help from Big Industry.
In the 1980s, the Black Sea was overrun by non-native comb jellyfish in a storming that put even the most successful invasive species until that point to shame.