1.   Bright green weeds lay thick and juicy under the surface of the water.

2.   The fish had been dining on pale morning duns in deep water at the very edge of a thick mat of bright green weed.

3.   Towering over the green weeds and flowing water are stark, black stalks that used to be trees.

4.   Heads tucked, they link curling tails and pirouette for a minute or two through fluttering green weeds.