"The theories are many. The crabs moved into Russian waters. They are dead because predators got them. They are dead because they ate each other. The crabs scuttled off the continental shelf and scientists just didn’t see them. Alien abduction.
Okay, not that last one. But everyone agrees on one point: The disappearance of Alaska’s snow crabs probably is connected to climate change. Marine biologists and those in the fishing industry fear the precipitous and unexpected crash of this luxury seafood item is a harbinger, a warning about how quickly a fishery can be wiped out in this new, volatile world.
Gabriel Prout and his brothers Sterling and Ashlan were blindsided. Harvests of Alaskan king crab — the bigger, craggier species that was the star of the television show “Deadliest Catch” — have been on a slow decline for over a decade. But in 2018 and 2019, scientists had seemingly great news about Alaska’s snow crabs: Record numbers of juvenile crabs were zooming around the ocean bottom, suggesting a massive haul for subsequent fishing seasons."