Photo of the Day

Glass eels in an estuary
July 21, 2012

Glass Eels

This Month in Photo of the Day: Animal Pictures

Transparent and needlelike glass eels rush into the estuary during winter, after a long-distance migration for months from the open sea.

(This photo and caption were submitted to Your Shot.)

See pictures of eels from National Geographic magazine »
See pictures of freshwater wildlife »

Photograph by Leon Liao, Your Shot

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