East Siberian Sea main land]. "On the North." A line from the Northernmost point of Wrangel Island (179°30'W) to the Northern sides of the De Long Islands (including Henrietta and Jeannette Islands) and Bennett Island, thence to the Northern extremity of Kotelni Island. "On the East." From the Northernmost point of Wrangel Island through this island to Cape Blossom thence to Cape Yakan on the main land (176°40'E). Because it is open towards the Arctic Ocean in the north, the main gulfs of the East Siberian Sea, like the Kolyma Bay, the Kolyma Gulf and the Chaunskaya Bay, are all located in its
East Siberian Sea ("Eschrichtius robustus"), beluga ("Delphinapterus leucas") and narwhal ("Monodon monoceros"). Major fish species are grayling and "Coregonus" (whitefishes), such as muksun ("Coregonus muksun"), broad whitefish ("Coregonus nasus") and omul ("Coregonus autumnalis"). Also common are polar smelt, saffron cod, polar cod, flounder and Arctic char. The coast of the East Siberian Sea was inhabited for ages by the native peoples of northern Siberia such as Yukaghirs and Chukchi (eastern areas). Those tribes were engaged in fishing, hunting and reindeer husbandry, as reindeer sleds were essential for transportation and hunting. They were joined and absorbed by Evens and Evenks around the 2nd century