Salmonid Natural History Species and History. Salmonid Species and History O The family Salmonidae...
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Transcript of Salmonid Natural History Species and History. Salmonid Species and History O The family Salmonidae...
FREEING THE ELWHA
Salmonid Natural History
Species and History
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Salmonid Species and HistoryO The family Salmonidae consists of a variety of salmon and
trout species in several phylogenetic branches.O The Pacific salmon, rainbow trout, and cutthroat Trout are all
in the genus Oncorhynchus.
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Relationships the Salmonids
From Smith and Stearly 1989
graylings
Salmonidae
taimen
lenoks
Atlantic salmon
Brachymystax
Hucho
Thymallus
brown trout
Salmo
Onchoryhnchus rainbow trout
cutthroat trout
Pacific salmon
Adriatic trout
Salvelinus
Arctic charDolly Varden
bull trout
Pacific Salmon
chars
bold represents fish of the Pacific Northwest
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Relationships within Oncorhynchus
Consensus tree; Conservation Biology, Volume 8, No. 3, Sept 1994
Mexican golden trout
Oncorhyhchus rainbow trout
Pacific salmon
Apache trout
Gila trout
cutthroat troutclarki
gilaegilae apache
gilae gilae
Golden trout
Rainbow troutmykiss
chrysogaster
irideus
aguabonita
Masu
Chinook
Coho
Sockeye
Pink
Chum
masou
tsawytscha
kisutch
keta
gorbuscha
nerka
mykiss
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Pacific Salmon Relationships
FREEING THE ELWHAColonization by Pacific Salmon
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Glacial Lake Elwha
Salmon Colonization of the Elwha river watershed
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After the IceBut, as the glaciers receeded and the lake drained,
new land was exposed and forests began to reclaim the valleys.
While ice filled the strait, salmon and other fish could not migrate into the Elwha Valley.
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California golden trout
Columbia redband trout
Coastal Rainbow trout
Rio Yaqui trout
chrysogaster
Mayo trout
irideus
gairdnerii
aguabonita
newberriiGreat Basin redband trout
Beardslee trout
nelsoni San Pedro Mártir trout
irideus f. beardsleei
Little Kern River golden troutf. whitei
Mykiss
Rainbow trout
Golden trout
Mexican golden trout
Rio Piaxtla trout
Rio San Lorenzo trout
Relationships of the Rainbow trout (mykiss)
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Rainbow Trout Colonization and Evolution
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Trout of Mexico
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Relationships of the Cutthroat trout (clarki)
cutthroat trout
Westslope
Lahotan
Coastal
Bonneville
Rio Grande
Yellowstone
Colorado River
Greenback
Paiute
Alvord
Crescenti
Clarki clarki
f. crescentii
alvordensis
seleniris
henshawi
lewisi
Lower Snake river spp.
utah
bouvieriUpper Snake river spp.
pleuriticus
stomias
virginalis
macdonald Yellowfin
Bold indicates major subspecies, non-bold is a minor subspecies, talics indicates now extinct, small font indicates not likely a true subspecies, but rather a form
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Cutthroat Trout Colonization and Evolution
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How do fish cross mountain ranges?
As the climate warms, trout can survive in the lower rivers
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Beardslee and Crescenti Cutthroat Trout in Lake Crescent
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Seasonal Runs
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OncohynchusRainbow
Pacific
Salmon
Cutthroat trout
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This project was made possible in part by a grant from
Washington’s National Park Fund.