Photo of the Day

Clownfish and developing eggs
March 8, 2010

Tomato Clownfish

This Month in Photo of the Day: National Geographic Magazine Features A male tomato clownfish (Amphiprion frenatus) tends his field of developing eggs like a gardener, scooping away ones with dead embryos. He oxygenates the eggs by fanning them with his pectoral fins. See more photographs from the January 2010 feature story "Beautiful Friendship."
Photograph by David Doubilet

Go Further

Subscriber Exclusive Content

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