July 4th, 2008 
From National Geographic’s new Translucent Creatures photo gallery:
A hydromedusa spreads its luminescent tentacles in the Weddell Sea near Antarctica.
Photograph by Ingo Arndt/Minden Pictures.
This medusa is like totally coming at me like a spider monkey with those nunchuk tentacles. Meet some of its friends below the fold!
A close-up of a bristleworm’s head in Antarctica’s Weddell Sea shows the tiny predator’s trumpet-shaped mouth. Photograph by Ingo Arndt/Minden Pictures
A transparent larval shrimp piggybacks on an equally see-through jellyfish in the waters around Hawaii. Photograph by Chris Newbert/Minden Pictures
New screen saver…w00t!