Fly Fishing Science
Photographer: Brett Colvin
Rubble Flats and Sand Flats of the Tropics
RUBBLE FLATS and sand flats provide great opportunities for sight-fishing in the tropics.
Read more...The Thermal Optimum
MANY FISH try to stay within what is called their thermal optimum — not too warm, not too cold — just right. This thermal optimum varies for different species.
Read more...“Damselfly Days”

BOTH DAMSELFLIES and dragonflies are some 300 million years old, and in prehistoric times, had wingspans of 30 inches. (According to one surely legit website, they were "as big as hawks.")
Read more...
Fish Eyesight: Does Color Matter?
Read this article and you may never look at your flies the same way again. Read more.
A Current Event
Ocean inlets and passes have their own tidal rhythms that affect when and where you will find fish. Read more.


