Branchinecta paludosa are then reproductive for 35–45 days. Branchinecta paludosa Branchinecta paludosa is a species of fairy shrimp with a Holarctic distribution. "B. paludosa" is widely distributed in the Arctic tundra of Eurasia, chiefly above latitudes of 60° north. It reaches its northern limit, 77° north at Ivanov Bay in the Novaya Zemlya archipelago. Further populations exist as far south as the Tatra Mountains on the Polish–Slovakian border at about 49° north. There are scattered records from North America, mostly near the Arctic Ocean. After hatching, young "B. paludosa" spend 20–30 days as larvae, before reaching sexual maturity between the end of
Novaya Zemlya detected by German U-boats and visually confirmed by German reconnaissance aircraft. On the night of July 4, the German battleship "Tirpitz" and the heavy cruisers "Admiral Scheer", "Lutzow", and "Hipper," closed on PQ-17 and sank four allied merchant ships. The British Admiralty responded by diverting the convoy’s escort vessels to the west to engage the German warships, and ordered the now-vulnerable merchant vessels to scatter. Seeking the hoped-for sanctuary of Matochkin Strait, several of the ships headed toward Novaya Zemlya at flank speed. S.A. Kerslake, a crew-member aboard the British Trawler "Northern Gem", recorded in his diary: …we were making