Good Question: What are those green jelly blobs in the lake? | WHEC.com

Good Question: What are those green jelly blobs in the lake?

Brennan Somers
Created: August 16, 2021 05:15 AM

ROCHESTER, N.Y. (WHEC)—Weird, jelly-like blobs are showing up in the Finger Lakes. What are they?

Last week, Cindy found some in Canandaigua Lake not far from the swimming area by Kershaw Park. She posted pictures of them on Facebook to see if anyone knows what they are then some people chimed in saying those are freshwater jellyfish.

That’s a good guess. They have been found in Upstate NY before.

Cindy sent News10NBC’s Brennan Somers those photos so he could pass them along to the NYS Department of Environmental Conservation to get the right answer.

As it turns out, those are not jellyfish.

State experts tell Somers, judging by the photos, they believe those are colonies of a microscopic organism called "Ophrydium Versatil." It’s just nature—a natural occurrence you can find all over the world in freshwater.

They feed on bacteria and small algae. They are harmless.

This is different than the other harmful blooms we see during the summer.

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