• WordNet 3.6
    • n Oncorhynchus Pacific salmon including sockeye salmon; chinook salmon; chum salmon; coho salmon
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Century Dictionary and Cyclopedia
    • n oncorhynchus A genus of anadromous American and Asiatic Salmonidæ, inhabiting the North Pacific ocean: so called from the hooked jaws of the spent males; the king-salmon. These salmon are of great size and economic importance. There are 5 well-deter mined species: the quinnat or king-salmon proper, O. quinnat or chavicha (see quinnat); the blue-backed salmon, O. nerka; the silver salmon. O. kisutch; the dog-salmon, O. keta; and the humpbacked salmon, O. gorbuscha. The females and young and other variations of these have given rise to some 35 nominal species, referred to several different genera. See salmon.
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In literature:

There are five species of salmon (Oncorhynchus) in the waters of the North Pacific.
"Scientific American Supplement No. 275" by Various

In news:

The rainbow trout (Oncorhynchus mykiss) is a species of salmonid native to tributaries of the Pacific Ocean in Asia and North America.

In science:

Seeb, et al., 2012 Signatures of natural selection among lineages and habitats in Oncorhynchus mykiss.
Robust identification of local adaptation from allele frequencies