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.
Ob river. The Ob River, also Obi, is a major river in western Siberia, Russia and is the worldâs seventh longest river. It is the westernmost of the three great Siberian rivers that flow into the Arctic Ocean (the other two being the Lena River and the Yenisei River).ivers has a long history and there are various rivers on earth which are too long by their length, most of the longest river in Africa which are largest in the list of world ranking, here is a list of top ten largest rivers in the world. 10.