Here’s the scenario. You drop by the local fish market and treat yourself to something expensive. Perhaps a piece of halibut or fresh mahi or maybe a swordfish steak. You get it home, prep all your ...

Allison Little, a middle school assistant principal from Anchorage, has been fishing on the Kasilof River her entire adult life, so she’s used to seeing wormy parasites coiled up in fish on occasion.

Canned salmon, long thought to be just a pantry staple, has unexpectedly become a valuable archive of Alaskan marine ecology. A recent study examined expired cans of salmon dating back to the 1970s, ...