On the 8th of April, 2012I had a great oppotunity to see SuperHatch of Mayflies while fishing at a stream in Gifu Pref. Japan.And I found a lot of Mayflies`re mating just around 100m(110 yards) down the stream too.The SuperHatch started before noon.The SuperHatch`s being at down a small dam. But the area was so shallow that I couldn`t find any fish there.However I fished some Amago trout on Light Cahill fly succesfully down there.It`s great experience to me!