It seemed like a sure thing, such a good idea. Grow salmon on land in Maine and deliver it just down the road to major markets in Boston and New York City. Sure, the technology for growing salmon to market size on a commercial scale was largely unproven, but that was a hurdle most expected would be overcome.

Investors began jumping in, and the dream of a robust land-based salmon farming industry in the remote state took flight.

But the dream has turned into a disaster.