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You might want to read this first. https://www.iceshanty.com/ice_fishing/index.php?topic=239994.0
I'm guessing the taste is dependent on the diet and water quality they are caught because my 6yr old daughter asks for them and knows which ones have roe. She's been eating them since she was knee high to a Smurf though. But she also eats escargo, mussels, and canned sardines. I wonder where she gets it? 😏