Set of scaled elevation drawings of the Coho Salmon viewed from the front and side

The Coho Salmon (Oncorhynchus kisutch) is also called the Silver salmon or “silvers” and inhabits the North Pacific oceans, rivers, and coastal streams of Alaska and California. They belong to the family Salmonidae with adults having lighter bellies, silversides, and metallic blue backs. As an anadromous fish, the Coho Salmon shows distinct color patterns when in freshwater and ocean water.

Juveniles also show different color patterns when compared to adults. Coho Salmon are distinguished by their white gums, lower lobes having black spots, and large beaks during spawning in males. The indigenous people saw the fish as a representation of life and sustenance.

Coho Salmons have a total length between 18”-30” (46-76 cm), body height of 4.5”-7.5” (11.4-19 cm), and an overall weight in the range of 8-35 lb (3.6-16 kg). The typical lifespan of the Coho Salmon is 2-4 years.


*Under Development*

4.5”-7.5” | 11.4-19 cm
18”-30” | 46-76 cm
8-35 lb | 3.6-16 kg
Scientific Name:
Oncorhynchus kisutch
2-4 years


Drawings include:

Coho Salmon side elevation, front

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Freshwater fish are fish that spend some or all of their live in water with a salinity level lower than .05%. Freshwater fish, due to the segmented nature of ponds, lakes, and rivers, are subject to speciation similar to species on islands.