aquatic

Crocodiles and alligators are the epitome of stealth. They can wait motionlessly for prey on the surface of the water, dive to the bottom, or roll around the length of their bodies, all without creating a single ripple. This sneaky manoeuvrability is all the more impressive for the fact that a crocodilian can pull it off without moving its legs or tail. It's particularly difficult because a waiting crocodilian has to move slowly and methodically, and must make do without the helpful forces of lift and drag that accompany faster movements. Now, for the first time, we know how they do it. They…
Dineutes sublineatus - whirligig beetle Arizona, USA Whirligigs are masters of the thin interface between air and water, predating on animals caught in the surface tension.   In the field it can be hard to appreciate the finely sculptured details of their bodies, the erratic movements that give them their name also make them hard to observe and to catch. photo details: Canon 100mm f2.8  macro lens on a Canon 20D f/18, 1/250 sec, ISO 100 Beetles in a 5-gallon  aquarium with a colored posterboard for backdrop. Off-camera flash bounced off white paper. Levels adjusted in Photoshop.