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Fish Expert Trevor Corson on Quasi-Fish
Update from Trevor Corson:
I have a habit of visiting Finland, and just discovered that the so-called "Swedish" fish candy actually appear to have originated not in Sweden, but in Finland. Yet another cultural revelation that should make my Finnish friends both angry and proud.
Beware the Fatty Sushis
Otabenga,
You can get the same amount or more of omega-3s from fish that are lower on the food chain and/or not farmed, and thus much safer for you to eat because they'll be lower in mercury and other toxins, as well as being better environmental choices -- mackerels and sardines are good examples of very good omega-3 fish, which are also very tasty when properly prepared.
The fish flesh doesn't have to be full of fat for you to get the omega-3s. Indeed, there are big problems with the whole agenda promoting the consumption of fish for omega-3s. Farmed salmon, for starters, often don't even contain anywhere near the amount of those healthful fatty acids that wild salmon would, and that the fish-farming industry would have you believe, partly because more and more the farmed fish are being fed with vegetable-oil based feed. And in eating enough toro to get omega-3s, you're exposing yourself to such a high mercury risk that it's not worth it.
It makes much more sense, I would suggest, not to choose the seafood you eat in order to get a supposed supply of omega-3s, and instead just to take omega-3 tablets manufactured from relatively sustainable stocks of fish like mackerel, sardines, and anchovies, which are low on the food chain -- these supplements are also filtered to remove any toxins as well. That is what I do.
And I find I don't really miss the salmon and toro at the sushi bar, because I've come to find the fattiness of those fish too cloying, and I now prefer the more interesting and subtle tastes and textures of other, leaner fish.
Trevor
TrevorCorson.com
Beware the Fatty Sushis
Seyo: I have not found much in the way of health & environmental stats on yellowtail, but they are nearly all farmed in a way similar to the way salmon are farmed, and salmon farming raises a whole host of health & environmental problems, so generally I avoid the usual yellowtail at the sushi bar for that reason.
-Trevor
TrevorCorson.com
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For those who might be interested in learning more, my book The Story of Sushi has answers to all these questions and much, much more; check it out here. Named a Best Food Book of the Year by Zagat, an Editor's Choice by The New York Times Book Review, and the Best American Food Literature Book of the Year by the Gourmand Awards. I also host educational sushi dinners in New York.
@Larikatz: Funny!