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While counting snow crabs at sea in 2021, fisheries biologist Erin Fedewa saw that something was deeply amiss.Fedewa, a National Oceanic and Atmospheric Administration (NOAA) scientist, spends ...
Billions of crabs vanished unexpectedly, forcing the closure of Alaska's crab fishing industry. Scientists now have more answers.
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.
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Abandoned crab traps collected during a cleanup event. The Derelict Crab Trap Removal Program was created by the Louisiana Wildlife and Fisheries Commission in 2004. This was created to remove derelict crab traps from state-owned lakes and river-beds and to reduce the potential impact from these traps. This program also collects data from all ...
But during the 2018-2019 heat wave, Pacific cod were able to go to these warmer-than-usual waters and ate a portion of what was left of the snow crab population.
Afrithelphusa monodosa (Bott, 1959), the purple marsh crab, is the best known of the four species, new populations having been discovered since 1996. Despite this, fewer than 20 specimens have been collected, and the total population is likely to be less than 2,500. This crab is now listed as endangered. [8]
This decimation of the crustaceans’ population spurred the closing of the Alaska snow crab season for the first time in history, an industry worth approximately $160,000,000 annually. Theories regarding decline