In the Bering Sea and Aleutian Islands area, biomass was estimated at 535,356 tons in 2008, down from a peak of almost 800,000 tons in 1997; in the Gulf of Alaska, biomass was estimated at 280,000 tons in 2007, where biomass has fluctuated around an average of 220,000 tons since 1984.
Na zona do mar de Bering e as illas Aleutianas, a biomasa estimouse en 535.356 t en 2008, por debaixo dun pico máximo de case 800.000 t en 1997; no golfo de Alasca, a biomasa estimouse en 280.000 t en 2007, onde flutúa ao redor dun promedio de 220.000 t desde o ano 1984.