It"s ladies" night at the Great Barrier Reef: Their bright orange-pink coloration indicates these sea goldies are females. But that could change quickly: Sea goldies are protogynous hermaphrodites, meaning that when there aren"t enough fellas around, the largest females change sex to become male, turning purplish and growing even larger. All goldies are born female, but those that switch to male enjoy instantly better odds at mating time: For every male goldie there are up to 10 females.
A goldie gala
Today in History
More Desktop Wallpapers:
-
Moose, Denali National Park, Alaska
-
Let’s go mothing
-
Least chipmunk, Kootenai National Forest, Montana
-
Leaves of Grass
-
Zion National Park Turns 100
-
Salt of the earth
-
Travel Sunday: Sintra, Portugal
-
Looking back at Yellowstone, 30 years after the fires
-
Sweet! It’s maple syrup season
-
Gray days ahead in Monterey
-
Fresh water on the Silk Road
-
Snow on the temple
-
Belize Barrier Reef
-
A misty morning in Brazil
-
A stroll above the stratosphere
-
El Valle de la Luna, Chile
-
Memorial Day
-
Mute swan
-
Ravens
-
Celebrating Indigenous Peoples Day
-
In celebration of cats
-
International Tiger Day
-
World Bicycle Day
-
Polar Bear Week
-
Celebrating a young girl s age-old discovery
-
Lighting it up for Vivid Sydney
-
American Wetlands Month
-
Veterans Day
-
Canada Day
-
Castelmezzano, Italy