The Blue Realm - Toxic Invaders

The Blue Realm

They're beautiful - and deadly, with venomous spines that resemble a lion's mane. They're lionfish, a tropical reef species normally found in the Indo-Pacific. Now, they're wreaking havoc in the Caribbean and Atlantic - all thought to have descended from a handful of aquarium fish carelessly released into the sea. In these regions, they are potentially a greater threat to coral reefs and commercial fish populations than global warming or pollution.
Aired:
Mar 06, 2019