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coho |
Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia, Hutchinson | 0.03 sec. |
cohoor silver salmonSpecies (Oncorhynchus kisutch) of salmon prized for food and sport that ranges from the Bering Sea to Japan and the Salinas River of Monterey Bay, Cal. It weighs about 10 lbs (4.5 kg) and is recognized by the small spots on the back and upper tail-fin lobe. Young cohos stay in freshwater for about one year before entering North Pacific waters; they mature in about three years. Some landlocked populations spend their entire lives in freshwater. Cohos were successfully transplanted in the 1970s into Lake Michigan as a game fish. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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A 30-minute exposure to a 1 parts per billion (ppb) concentration of atrazine reduced the activity of olfactory neurons in coho salmon (Oncorhynchus kisutch) by 11 percent, the researchers reported last November at the annual meeting of the Society of Environmental Toxicology and Chemistry (SETAC) in Montreal. Presenting accurate information about the life cycle of the wild Pacific salmon in the format of a beautifully illustrated picturebook, young readers age 4 to 8 will enjoy author Annette LeBox's eloquent and enthusiastically recommended story of Sumi, a coho salmon from her birth and trip down river to the ocean, to her time as a fully mature fish swimming in the great seas, to her determined return up river to her birthplace where she can spawn. Two months later naturalists had found 15 gravel nests with fertilized eggs, called redds, as well as 79 chinook and 17 coho salmon in the water above the dam. |
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