Fly fisher wading a mountain river

Stay Ahead of the Hatch

Learn what's hatching, which flies to tie on, and fish with confidence

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Find the right pattern fast by species, lifecycle stage, and water type with clear tying notes and usage tips.

The Complete Fly Fishing Resource for the Modern Fly Fisher

IdentaFly was first created because we believe that it is OK to share information. Yes, there are secret spots, but techniques, what to fish, what flies to tie, and what is actively hatching are made for all. This is how you learn to fish.

Feeling prepared and confident in your fly fishing decisions is the goal. We will help you decipher what is happening on the water, so you spend less time guessing and more time actually fishing.

Whether you're researching a new river, trying to match the hatch on short notice, or improving your fly selection over time, IdentaFly combines reliable data with practical learning so you can make confident, informed choices.

Start with the essentials below, then check back each month for updated hatch chart conditions and the pattern of the month.

Available on web and mobile devices, we can be with you anytime, anywhere.

Fly Fishing Pattern of the Month

Make sure to check back next month to see what's new!

Thorax Dun

Thorax Dun

Mayfly
emerger

Explore fly fishing destinations with active hatches in April: