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Comment by ams6110 | Hacker News Reader

Americans have also been scared away from eating a lot of fish over fears of mercury and PCB contamination.

America is also a big place. Fresh fish spoils quickly. So no, you won't see a lot of selection at a midwestern supermarket. If you're near a coast, the selection and number of specialty seafood shops is a lot better.

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I'm not directly responding to your comment but some of the best sushi chefs use fish that was frozen. And this says all sushi served in the US has to be freezed to kill any bacteria-

https://mobile.nytimes.com/2004/04/08/nyregion/sushi-fresh-f...

For those that don't click through, the only exception is tuna. It lives deep enough in the ocean and is clean enough to get around the "must be frozen" rule.

Frozen to kill parasites, not bacteria.

I would be surprised if major metro areas didn't have enough seafood demand to justify building inland fish farms to supply the urban centers.

People are also afraid of fish farms.

[citation needed]

In my experience, a minority of people pay attention to where their food comes from. I'd bet the average consumer purchasing fish wouldn't be able to tell you whether it was farmed or wild caught.

If you go to your Safeway, Publix, or Kroger, you'll probably find half the salmon to be farm-raised. And all the catfish.

Farm raised Salmon is salmon in name only.

Different taste and color.

I'll pay the extra $4-5 dollar a pound when in "season" for the real thing.

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