The sudden decline in the snow crab population in the Bering Sea has triggered considerable concern among scientists, fisheries, and environmentalists alike.
The collapse is alarming not only because of its immediate economic impact but also due to the broader implications for marine ecosystems. However, a critical examination of the prevailing explanations for this phenomenon reveals a troubling reliance on speculation rather than solid evidence. The central thesis of the NOAA Fisheries report—that warmer water temperatures increased snow crab metabolism, leading to their downfall—requires a more skeptical analysis. In this post, we’ll explore the weaknesses of this hypothesis, examine other plausible causes, and argue for a more comprehensive approach to understanding this ecological mystery.