The red lionfish is a multitalented enigma. Armed with eighteen venomous spines and invisible to its prey, it is by far the coolest fish on the block. See the uniquely fascinating behavior and stunning abilities that let the lionfish conquer foreign waters, and by doing so threaten entire ecosystems.

The red lionfish is a multitalented enigma. Armed with eighteen venomous spines and invisible to its prey, it is by far the coolest fish on the block. See the uniquely fascinating behavior and stunning abilities that let the lionfish conquer foreign waters, and by doing so threaten entire ecosystems.