Amongst the shallower water and against pale gravel, big grayling are given away by their torpedo-like shapes and deep magenta fins:
... although it is often their smaller cousins that oblige:
... swimming alongside the Brown Trout:
A better sized wild brown trout puts in an appearance, taking a long drifted dry fly.
When the terrestrials are falling, a simple, bushy dry with a palmered hackle will work. This example has a barred ginger and badger hackle wound together:
Even in Summer, after a little extra water, a small, but heavy shrimp pattern can produce the goods: