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Hello.

I would like to know if it is true that Yellow perch eggs contain a toxic substance that discourage their predations for most fish.

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I doubt the substance in YP eggs is toxic - off or offending flavor but not toxic. The offending flavor is probably not in the egg itself but in the gelatinous matrix.


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Very interesting RAH

Frogfish saltwater fish produce a gelatinous flat ribbon of eggs.

Last edited by snrub; 01/20/18 07:30 AM.

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I do know the mallard duck will eat every egg ribbon they can find in our perch pond.


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Have you seen the ducks eat the eggs or just found the egg ribbons destroyed?

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Hello.

Thanks Mr. Cody, following RAH, I found another site that talks about it.

http://www.nrcresearchpress.com/doi/abs/10.1139/z85-430

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See the next PB mag issue for
Yellow Perch stocking – survival, growth and recruitment -
Predators Reject Yellow Perch Egg Skeins, L. Zoe Almeida, Samuel C. Guffey, Tyler A. Krieg & Tomas O. Höök Transactions of the American Fisheries Society, 146:1, 173-180 (2017)

Not going to jump the gun on the article.
















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Originally Posted By: RAH
Have you seen the ducks eat the eggs or just found the egg ribbons destroyed?


So after the mallard has bread the males hang out together. This is when I have seen them eat the eggs. The ribbon is not destroyed but completely gone.


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Maybe it an acquired taste:)


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