Steelhead trout is not as high in omega-3 fatty acid content as fish like mackerel or tuna, but it is less likely to contain contaminants. Per serving, steelhead trout is comparable in omega-3 fatty acid content to halibut, pollock and smelt. 1  Monterey Bay Aquarium Seafood Watch: Rainbow Trout.  USDA National Nutrient Database for Standard Reference: Nutrient Data for 15241, Fish, Trout, Rainbow, Farmed, Cooked, Dry Heat.
Ob River. Written By: Ob River, river of central Russia. One of the greatest rivers of Asia, the Ob flows north and west across western Siberia in a twisting diagonal from its sources in the Altai Mountains to its outlet through the Gulf of Ob into the Kara Sea of the Arctic Ocean.
About the Ob river. The Ob is a river in western Siberia, the longest river in Russia and the second largest in Asia. The river is formed by the confluence of the Altai Biya and Katun, the length from the confluence of the Ob is of 3650 km (from the source of the Irtysh 5410 km).In the north, the river flows into the Kara Sea, forming a bay (about 800 km long), which is called the Ob Bay.bout the Ob river. The Ob is a river in western Siberia, the longest river in Russia and the second largest in Asia. The river is formed by the confluence of the Altai Biya and Katun, the length from the confluence of the Ob is of 3650 km (from the source of the Irtysh 5410 km).