re: Mississippi river catfish tips

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Even when there are advisories, catfish usually aren't on those lists. Not sure why

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When I've been involved in testing fish from contaminated water bodies, catfish almost always had the lowest levels of the pollutants of concern (PCB's, mercury, etc). Bass were often tops, and if you look at the Gulf Advisories, top of the chain pelagic are almost always the biggest concern. I think catfish having such a varied diet instead of all small fish, which create the compounding effect (bio-accumulation) is what keeps them from being a concern most of the time. Either that, or they are eating enough Mexican soap that they stay clean.