<p>This dorsal view of a live juvenile zebrafish won first prize in this year’s Nikon Small World Photomicrography Competition. To achieve the otherworldly effect, researcher Daniel Castranova at the National Institutes of Health, assisted by colleague Bakary Samasa, tagged the fish’s lymphatic vessels (orange) and scales (blue) with fluorescent proteins and stitched together more than 350 individual frames.</p>

This dorsal view of a live juvenile zebrafish won first prize in this year’s Nikon Small World Photomicrography Competition. To achieve the otherworldly effect, researcher Daniel Castranova at the National Institutes of Health, assisted by colleague Bakary Samasa, tagged the fish’s lymphatic vessels (orange) and scales (blue) with fluorescent proteins and stitched together more than 350 individual frames.

Daniel Castranova, Brant Weinstein, and Bakary Samasa, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health; courtesy of Nikon Small World

See the stunning world invisible to the naked eye

Nikon has announced the winners of its 46th annual Small World Photomicrography Competition.

Researcher Daniel Castranova was about to be kicked off the microscope when he took the picture. A colleague in the Brant Weinstein lab at the National Institutes of Health in Maryland was waiting for a turn on the imaging device, which takes hundreds of frames that later are stitched together. Castranova was bringing a microscopic world into focus, with the hope of revealing unprecedented detail. He had a live juvenile zebrafish suspended in jelly under the lens, and he decided to zoom out from its head for one last shot: a full-body image of the fish. He got it, and then promptly forgot about it. Two weeks later, as he assembled the images, he had a startling result. “I

Unlock this story for free
Create an account to read the full story and get unlimited access to hundreds of Nat Geo articles.

Unlock this story for free

Want the full story? Sign up to keep reading and unlock hundreds of Nat Geo articles for free.
Already have an account?
SIGN IN

Read This Next

What bacteria lurk in your city? Consult the bees.
Is melatonin giving you nightmares?
Why are these orcas killing sharks and removing their livers?

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet