The Great Diving Beetle is an Impressive Underwater Hunter 💧 Macro Worlds | Smithsonian Channel

The great diving beetle is a fast underwater swimmer and a voracious hunter. It can stay submerged for periods of up to 30 minutes a time – thanks to a makeshift oxygen tank in its wing case. From Macro Worlds: #MacroWorlds #SmithsonianChannel Subscribe to The Smithsonian Channel: Twitter: Instagram: Facebook: