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Between 2018 and 2021, there was an unexpected 92% decline in snow crab abundance, or about 10 billion crabs. The crabs had been plentiful in the years prior, puzzling scientists and crabbers alike.
About 10 billion snow crabs disappeared from the Bering Sea between 2018 and 2021. A recent study concluded that warmer water temperatures helped drive the crabs to starvation.
The decline of the Alaskan snow crab signals a wider ecosystem change in the Arctic, as oceans warm and sea ice disappears.
Marine heatwaves also take their toll on marine life: For example, due to fall-out from the 2019-2021 Pacific Northwest marine heatwave, [16] Bering Sea snow crab populations declined 84% between 2018 and 2022, a loss of 9.8 billion crabs.
About 10 billion snow crabs disappeared from Bering Sea waters between 2018 and 2021, forcing fisheries to shutter in Alaska last winter and threatening the state’s economy.
Chionoecetes bairdi is a species of snow crab, alternatively known as bairdi crab and tanner crab. C. bairdi is closely related to Chionoecetes opilio, and it can be difficult to distinguish C. opilio from C. bairdi. Both species are found in the Bering Sea and are sold commercially under the name "snow
The generic name Chionoecetes means snow (χιών, chion) inhabitant (οἰκητης, oiketes); [3] opilio means shepherd, and C. opilio is the primary species referred to as snow crab. Marketing strategies, however, employ snow crab for any species in the genus Chionoecetes. The name "snow crab" refers to their being commonly found in cold ...
Billions of snow crabs have disappeared from the ocean around Alaska in recent years, and scientists now say they know why: Warmer ocean temperatures likely caused them to starve to death.