Watch this up-close footage of mayfly eggs hatching a minute after being laid.
When you're out fishing this Spring, you'll probably see mayflies laying their eggs on the surface of the water. But you won't ever see it from this perspective. The Stroud Water Research Center recently released this video of a mayfly laying its eggs on the surface of shallow water. After a minute passes, what must be hundreds of tiny mayflies start to hatch. Check it out.
Here's what the Center said about the video,
"Most mayflies lay their eggs immediately after mating; the eggs then take anywhere from 10 days to many months to hatch. Cloeon cognatum is an exception. This species is ovoviviparous, which means that a mated female holds her eggs internally until embryonic development is complete (about 18 days), after which she lays them in water and they hatch immediately. This female was dropped onto the water surface moments before the video started."
Fly fishermen have long imitated mayfly patterns to catch fish. The insects are a staple food for trout. Mayflies hatching periods are when they are most vulnerable to trout, because they spend a few minutes lingering on the surface of the water to lay their eggs.
What did you think of the mayflies hatching video? Share your thoughts in the comments section.