Newly-Discovered Species of Bacterium is Visible to Naked Eye

The world’s largest bacteria is visible to the naked eye

The largest-known bacterium - a vermicelli-shaped organism that was discovered in shallow mangrove swamps in the Caribbean and is big enough to be seen with the naked eye - is redefining what is possible for bacteria, Earth's most ancient life form.

Largest known bacteria in the world are visible to the naked eye