The indices of stock size of Northern shrimp (Pandalus borealis) have increased from 2004 to 2006, but decreased again from 2006 to 2008. Given the high probability of the stock being considerably above Bmsy, risk of stock biomass falling below this optimum level in the near future is low.
The commercial stock of Iceland scallop in the Russian sector has been decreasing since 2001. The Iceland scallops stocks in the Svalbard area has not been surveyed since 2006, but the status of these stocks are probably not changed since there have been no fishery in the area.
The snow crab (Chionoecetes opilio) is recorded as bycatch in trawl and gillnet fishery in Norwegian waters with an increasing frequency. The main part of the catches is in the northern part of the Barents Sea and in the Svalbard Conservation zone. In the last few years an increased portion of small crabs was observed in the eastern sea.
In August-September 2008, the densest concentrations of red king crabs (Paralithodes camtschaticus), more than 500 ind/sq.km, were observed in the southeastern part of the Barents Sea. The official catch of red-king crab in 2008 accounted for 2,500,000 individuals.