Your friend Fred
sent you this picture from Troutnut.com
, a website about fly fishing for trout. It has thousands of close-up pictures of the bugs trout eat and information about how those bugs behave and how to catch choosy trout. There's more
Hey Bob, have a look at this website. If I don't get out fishing soon my head's gonna pop.
I'm not sure what the caddisflies in this tight cluster are doing, but I'd guess it has something to do with mating. They scooted all around the rock, with some flies leaving the cluster and new ones coming all the time.
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