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Marine
Phase
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Spawning
Phase
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Class: Osteichthyes "Bony Fishes"
Order: Salmoniformes
Family: Salmonidae
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Scientific
Name: Oncorhynchus tshawytscha
Average Size: 1.5-30kg
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Life Cycle:
- Three to seven years
- Young chinook remain in freshwater
for varying lengths of time, before travelling to the
ocean
- Most return to spawn in their
fourth or fifth years
Physical Description:
- Marine
Phase
- Lightly spotted blue-green back
gums and silver, V-shapped, spotted tail
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Spawning Phase
- Mature chinook become very dark in
colour, some dark reddish, others almost
black
Fascinating Facts:
- The largest salmon - record size in
B.C.: 57kg
- Also known as a "spring" in Canada,
as a "king" in the U.S., and those chinook over 13.5kg
are known as tyee
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