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Pacific Salmon FACTS
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Anadromous
From CA-AK Pop going down |
Anadromous
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Fish migrates from fresh to salt to fresh water
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California Salmon
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Chinook
Coho Kokanee Steelhead Trout |
Chinook
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-a.k.a. King Salmon
-Very Large (50ft) |
Coho
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-a.k.a. Silver Salmon
-Few in CA -Midsized |
Kokanee
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-Landlocked in Tahoe (form of Sockeye salmon)
-intro to CA lakes -Little |
Steelhead Trout
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-migrate b/t ocean and freshwater
-can return to spawn several times -medium |
LIFE CYCLE
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Emryos->alevins->fry->smolt->adults
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Embryos
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-Fertilized Eggs
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Adults
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-Live in ocean for 1-7 yrs
-eat fish -Migrate back to natal river to spawn |
Migration
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-no one knows how they find the way (smell, magnetism)
-ascend small waterfalls (chinook jump 10ft) -some males (jacks) return early to spawn, look like girls |
Spawning
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-pair up, males fight
-females construct a REDD -females deposit eggs, males drop Milt |
Alevins
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-Have a yolk-sac for nourishment in redd
-absorb yolk-sac & emerge as Fry |
Fry
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-live in freshwater for several months
-when journey to the sea, go thru smoltification |
Smolt
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-turn Silver
-allows them to go to the saltwater |