News Oceans

Got pesky, invasive corals? Blast ‘em away with air guns

Underwater compressed air effectively removes coral species invasive to Brazil

A scuba diver uses an air tool to blast invasive corals underwater.

A researcher air blasts invasive sun corals in Brazil’s Alcatrazes Archipelago Wildlife Refuge.

Leo Francini

By Danielle Beurteaux

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Invasive corals are getting blown out of the water — with undersea air guns.