The Dissected Angler

Posted on January 20, 2010, 8:59 pm, by Gary Borger, under Fly Fishing Tactics, The Fish's Window, Trout Biology, Trout Vision.

When the water’s surface gets a bit choppy, images in the window get chopped up. Below are two photos of this phenomenon. Look at them carefully. No wonder the angler can get so close to the fish in riffle water.

Mike Allen, from underwater as seen through a slightly riffly surface.

Mike Allen, from underwater as seen through a slightly riffly surface. The fish really can't tell Mike from the edge of the window on the right of the photo.

The same Mike Allen as seen through a very riffly surface. The fish has no way to tell what the image is or to differentiate it from out distortions at the edge of the window.

The same Mike Allen as seen through a very riffly surface. The fish has no way to tell what the image is or to differentiate it from other distortions at the edge of the window.

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