Species interactions on the spawning grounds
Get out!
A male Coho Salmon (Oncorhynchus kisutch) threathens a male Sockeye Salmon (O. nerka) while defending his alpha male position next to a gravid female who is working on her redd in preparation to spawn.
ActinopterygiiAlaskaAlaska wild salmonAutumnChordataClass ActinopterygiiCoho SalmonInfraclass TeleosteiNeopterygiiOncorhynchus kisutchPacific salmonPhylum ChordataPower CreekSalmonidaeSalmoniformesSalmoninaeSea Sea internal correction lensSeacam underwater housingSilver SalmonSouth Central AlaskaSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebratebiospherechordatein situnaturalworldnaturenear Cordovaunderwaterunderwaterphotowild
Intruder!
Female Pink Salmon (Oncorhynchus gorbuscha) bites the caudal fin of a Chum Salmon (O. keta) that is intruding into the space around her redd (picture foreground).
ActinopterygiiAlaskaChordataClass ActinopterygiiHartney CreekHumpback SalmonInfraclass TeleosteiNeopterygiiOncorhynchus gorbuschaPacific salmonPhylum ChordataPink SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatefemale aggresisionin situnaturalworldnaturenear Cordovaspecies interactionunderwaterunderwaterphotowildwild salmon
Intruder!
Signaling a desire to spawn with her, a male Chum Salmon (Oncorhyncus keta) quivers a female Pink Salmon (O. gorbuscha) who is probing her redd while her alpha male does the same on her other side.
ActinopterygiiAlaskaChordataClass ActinopterygiiHartney CreekHumpback SalmonInfraclass TeleosteiNeopterygiiOncorhynchus gorbuschaPacific salmonPhylum ChordataPink SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatein situnaturalworldnaturenear Cordovaunderwaterunderwaterphotowildwild salmon
Female Pink Salmon attacking a male Chum Salmon
Female Pink Salmon (Oncorhynchus gorbuscha) attacking a male Chum Salmon (O. keta) who was interfering with her redd construction while her alpha male makes a threathening gape.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiHartney CreekHumpback SalmonInfraclass TeleosteiNeopterygiiOncorhynchus gorbuschaPacific salmonPhylum ChordataPink SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatein situinterspeciesnaturalworldnaturenear Cordovaunderwaterunderwaterphotowildwild salmon
Dolly Varden Charr predate a Sockeye Salmon redd as the female works to cover it with stream sediment
Dolly Varden Charr (Salvelinus malma lordi) predate a Sockeye Salmon (Oncorhynchus nerka) redd as the female works to cover it with stream sediment.
25Mile CreekActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiCopper River DeltaDolly VardenDolly Varden CharDolly Varden CharrDolly Varden Charr southern formInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSalvelinus malmaSalvelinus malma lordiSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatediadromousdiadromyegg predationfish behaviorfresh waterfreshwaterin situiteroparityiteroparousloticmigratorynaturalworldnatureovivoreovivorystreamunder fresh waterunderwaterunderwaterphotowildwild charwild charrwild salmon
Rainbow Trout searching for eggs to eat
Rainbow Trout (Oncorhynchus mykiss) searching for eggs to eat while a female Chinook Salmon (Oncorhynchus tshawytscha) probes her redd after spawning in Montana Creek near Talkeetna, Alaska
AlaskaPacificSalmonProbingSalmonBehaviorActinopterygiiAlaska wild salmonChinook SalmonChordataClass ActinopterygiiInfraclass TeleosteiKing SalmonMontana CreekNeopterygiiOncorhynchus mykissOncorhynchus tshawytschaPacific salmonPacific troutPhylum ChordataRainbow TroutSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiSusitna River TributaryTeleostTeleosteiUnited StatesVertebrateanadromousanadromybiospherechordatediadromousdiadromyfresh waterfreshwaterin situiteroparityiteroparousloticmigratorynaturalworldnaturenear Talkeetnaphotographed under watersemelparitysemelparousstreamunder fresh waterunderwaterunderwaterphotowildwild salmonwild trout
Rainbow Trout about to eat a loose egg as a female Chinook Salmon covers her redd
Rainbow Trout (Oncorhynchus mykiss) about to eat a loose egg as a female Chinook Salmon (Oncorhynchus tshawytscha) covers her redd after spawning in Montana Creek near Talkeetna, Alaska.
ActinopterygiiAlaskaAlaska wild salmonChinook SalmonChordataClass ActinopterygiiInfraclass TeleosteiKing SalmonMontana CreekNeopterygiiOncorhynchus mykissOncorhynchus tshawytschaPacific salmonPacific troutPhylum ChordataRainbow TroutSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiSummerSusitna River TributaryTeleostTeleosteiUnited StatesVertebrateanadromousanadromybiospherechordatediadromousdiadromyegg predationfish behaviorfresh waterfreshwaterin situiteroparityiteroparousloticmigratorynaturalworldnaturenear Talkeetnaovivoreovivoryphotographed under watersemelparitysemelparousstreamunder fresh waterunderwaterunderwaterphotowildwild salmonwild trout
Rainbow Trout predating a Chinook Salmon redd
Rainbow Trout (Oncorhynchus mykiss) predating a Chinook Salmon (Oncorhynchus tshawytscha) redd as the female probes her redd in Montana Creek near Talkeetna, Alaska.
ActinopterygiiAlaskaAlaska wild salmonChinook SalmonChordataClass ActinopterygiiInfraclass TeleosteiKing SalmonMontana CreekNeopterygiiOncorhynchus tshawytschaPacific salmonPhylum ChordataSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiSummerSusitna River TributaryTeleostTeleosteiUnited StatesVertebrateanadromousanadromybiospherechordatediadromousdiadromyfresh waterfreshwaterin situiteroparityiteroparousloticmigratorynaturalworldnaturenear Talkeetnaphotographed under watersemelparitysemelparousstreamunder fresh waterunderwaterunderwaterphotowildwild salmonwild trout
Dolly Varden predating Sockeye Salmon eggs in a redd following spawning
Dolly Varden (Salvelinus malma) predating Sockeye Salmon (Oncorhynchus nerka) eggs in a redd following spawning. The parental salmon are unable to stop them. Underwater view during summer in an Alaska stream.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiDolly VardenDolly Varden CharDolly Varden CharrDolly Varden Charr southern formInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSalvelinus malmaSalvelinus malma lordiSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatecovering reddegg predationfish behaviorin situnaturalworldnatureovivoreovivoryspawning behaviorunderwaterunderwaterphotowildwild salmon
Dolly Varden predating Sockeye Salmon eggs in a redd following spawning
Dolly Varden (Salvelinus malma) predating Sockeye Salmon (Oncorhynchus nerka) eggs in a redd following spawning. The parental salmon are unable to stop them. Underwater view during summer in an Alaska stream.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiDolly VardenDolly Varden CharDolly Varden CharrDolly Varden Charr southern formInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSalvelinus malmaSalvelinus malma lordiSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatecovering reddegg predationfish behaviorin situnaturalworldnatureovivoreovivoryspawning behaviorunderwaterunderwaterphotowildwild salmon
A female Pink Salmon defends her redd
A female Pink Salmon (Oncorhynchus gorbuscha) defends her redd from an encroaching Sockeye Salmon (O. nerka).
ActinopterygiiAlaskaAlaska wild salmonCRDChordataClass ActinopterygiiCopper River DeltaHumpback SalmonInfraclass TeleosteiNeopterygiiOncorhynchus gorbuschaPacific salmonPhylum ChordataPink SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebrateanadromousanadromybiospherechordatediadromousdiadromyfemale behaviorfresh waterfreshwaterguarding eggsin situloticmigratorynaturalworldnatureredd defensesemelparitysemelparousspawning behaviorstreamunder fresh waterunderwaterunderwaterphotowildwild salmon
A female Pink Salmon defends her redd
A female Pink Salmon (Oncorhynchus gorbuscha) defends her redd from an encroaching Sockeye Salmon (O. nerka).
ActinopterygiiAlaskaAlaska wild salmonCRDChordataClass ActinopterygiiCopper River DeltaHumpback SalmonInfraclass TeleosteiNeopterygiiOncorhynchus gorbuschaPacific salmonPhylum ChordataPink SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebrateanadromousanadromybiospherechordatediadromousdiadromyfemale behaviorfresh waterfreshwaterguarding eggsin situloticmigratorynaturalworldnatureredd defensesemelparitysemelparousspawning behaviorstreamunder fresh waterunderwaterunderwaterphotowildwild salmon
A female Chinook Salmon guards her redd.
A female Chinook Salmon (Oncorhynchus tshawytscha) guards her redd.
ActinopterygiiAlaskaAlaska wild salmonChinook SalmonChordataChum SalmonClass ActinopterygiiDog SalmonFishInfraclass TeleosteiKing SalmonNeopterygiiOncorhynchus ketaOncorhynchus tshawytschaPacific salmonPhylum ChordataSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebrateaggressionanadromousanadromybiospherechordatecovering redddiadromousdiadromyfresh waterfreshwatergapingin situloticmigratorynaturalworldnaturephotographed under watersemelparitysemelparousspawning behaviorstreamunder fresh waterunderwaterunderwater photographyunderwaterphotowildwild salmon
Inter-species sex
A putative stray male Chum Salmon (Oncorhynchus keta) spawns with a female Sockeye Salmon (O. nerka). Viable hybrids are possible between Pacific salmon species.
ActinopterygiiAlaskaAlaska wild salmonChordataChum SalmonClass ActinopterygiiDog SalmonFishInfraclass TeleosteiNeopterygiiOncorhynchus ketaOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebrateanadromousanadromybiospherechordatecovering redddiadromousdiadromyfresh waterfreshwaterin situloticmigratorynaturalworldnaturephotographed under watersemelparitysemelparousspawning behaviorstrayingstreamunder fresh waterunderwaterunderwater photographyunderwaterphotowildwild salmon
Frame grab from topside video of a putative male Chum Salmon spawning with a female Sockeye Salmon
Frame grab from topside video of male Chum Salmon (Oncorhynchus keta) spawning with a female Sockeye Salmon (O. nerka) while two Sockeye Salmon males fight on the side opposite of the Seacam underwater housing used to shoot stills of same event.
ActinopterygiiAlaskaAlaska wild salmonChordataChum SalmonClass ActinopterygiiDog SalmonFishInfraclass TeleosteiNeopterygiiOncorhynchus ketaOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatecovering reddin situnaturalworldnaturephotographed under waterspawning behaviortopsideunderwaterunderwater photographyunderwaterphotowildwild salmon
Double aggression
A sneaker male Pink Salmon (Oncorhynchus gorbuscha) attempting to spawn with this Sockeye Salmon (O. nerka) pair receives a lateral display aggression posture from the alpha male while the female bites his caudal peduncle.
ActinopterygiiAlaskaChordataClass ActinopterygiiInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatein situinterspecies sexnaturalworldnatureunderwaterunderwaterphotowild
Dolly Varden feeding on Sockeye salmon eggs
Dolly Varden (Salvelinus malma) feeding on Sockeye Salmon (Oncorhynchus nerka) eggs lost during spawning. Aspect Ratio = 4:5.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiDolly VardenDolly Varden CharDolly Varden CharrDolly Varden Charr southern formInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSalvelinus malmaSalvelinus malma lordiSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatediadromousfresh waterfreshwaterin situiteroparityiteroparousloticmigratorynaturalworldnaturestreamunder fresh waterunderwaterunderwaterphotowildwild charwild charrwild salmonwild trout
Lamprey scar
Male Sockeye Salmon (Oncorhynchus nerka) with a deep lamprey scar lived to be able to spawn.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatein situnaturalworldnatureunderwaterunderwaterphotowildwild salmon
Courting Coho Salmon and a Sockeye Salmon jack
A Sockeye Salmon jack emerges from the fracas that often ensues during salmon courtship, in this case another species, Coho Salmon. Aspect Ratio = 1:2.
ActinopterygiiAlaskaAlaska wild salmonAutumnChordataClass ActinopterygiiCoho SalmonInfraclass TeleosteiNeopterygiiOncorhynchus kisutchPacific salmonPhylum ChordataSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSilver SalmonSouth Central AlaskaSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebrateanadromousanadromybiospherechordatediadromousdiadromyexcavating reddfresh waterfreshwaterin situjackjack salmonloticmigratorynaturalworldnatureprecocial maleprecocious malesemelparitysemelparousstreamunder fresh waterunderwaterunderwaterphotowildwild salmon
Cuttbow?
A putative Coastal Cuttroat Trout (Oncorhynchus clarkii clarkii) - Steelhead Rainbow Trout (Oncorhynchus mykiss) hybrid, a.k.a. cuttbow. The occurence of cuttbows in the Copper River Delta where this photo was taken is supported by DNA evidence.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiCoastal Cutthroat TroutCopper River DeltaInfraclass TeleosteiNeopterygiiOncorhynchus clarkiiOncorhynchus clarkii clarkiiOncorhynchus mykissPacific troutPhylum ChordataRainbow TroutSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSpringSteelhead TroutSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebratebiospherechordatecuttbowdiadromousdiadromyfresh waterfreshwaterhybridin situiteroparityiteroparousloticmigratorynaturalworldnatureputative hybridsearunstrayingstreamunder fresh waterunderwaterunderwaterphotowildwild trout
Chumpy: A putative Chum and Pink salmon hybrid
A putative female Chum and Pink (Oncorhynchus keta and O. gorbuscha) salmon hybrid migrating upstream alongside mostly Pink Salmon. This Chumpy has spots, a color pattern, and teeth that are intermediate between the two parent species. Underwater view in an Alaskan stream during the summer.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiHumpback SalmonInfraclass TeleosteiNeopterygiiOncorhynchus gorbuschaPacific salmonPhylum ChordataPink SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebrateanadromousanadromybiospherechordatediadromousdiadromyfresh waterfreshwaterhybridin situloticmigratorynaturalworldnaturesemelparitysemelparousspawning migrationstreamunder fresh waterunderwaterunderwaterphotowildwild salmon
Cutthroat Trout feeding on Pink Salmon eggs
Cutthroat Trout (Oncorhynchus clarkii clarkii) feeding on Pink Salmon (Oncorhynchus gorbuscha) eggs while the female is in the process of covering the redd. Aspect Ratio = 2:3.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiCoastal Cutthroat TroutCordovaEccles CreekHumpback SalmonInfraclass TeleosteiNeopterygiiOncorhynchus clarkiiOncorhynchus clarkii clarkiiOncorhynchus gorbuschaPacific salmonPacific troutPhylum ChordataPink SalmonPrince William SoundSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebrateanadromousanadromybiospherechordatediadromousdiadromyfresh waterfreshwaterin situiteroparityiteroparousloticmigratorynaturalworldnaturesearunsemelparitysemelparousstreamunder fresh waterunderwaterunderwaterphotowildwild salmonwild trout
Female Pink Salmon defending her redd from a Chum Salmon
Female Pink Salmon (Oncorhynchus gorbuscha) defending her redd from an intruding Chum Salmon (Oncorhynchus keta).
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiHumpback SalmonInfraclass TeleosteiNeopterygiiOncorhynchus gorbuschaPacific salmonPhylum ChordataPink SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebrateaggressionanadromousanadromybiospherechordateconfrontation between speciesdiadromousdiadromyfightingfresh waterfreshwaterin situloticmigratorynaturalworldnaturesemelparitysemelparousstreamunder fresh waterunderwaterunderwaterphotowildwild salmon
Sockeye Salmon with Lamprey scar
Mature Sockeye Salmon (Oncohynchus nerka) female on spawning grounds with partially healed Lamprey scar.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebrateanadromousanadromybiospherechordatediadromousdiadromyfresh waterfreshwaterin situlamprey scarloticmigratorynaturalworldnaturesemelparitysemelparousstreamunder fresh waterunderwaterunderwaterphotowildwild salmon
Coho Salmon jack attempting to spawn with a Dolly Varden.
A Coho Salmon jack attempting to spawn with a Dolly Varden female while the male observes. Aspect Ratio = 4:5.
ActinopterygiiAlaskaAlaska wild salmonAutumnChordataClass ActinopterygiiCoho SalmonDolly VardenDolly Varden CharDolly Varden CharrDolly Varden Charr southern formInfraclass TeleosteiNeopterygiiOncorhynchus kisutchPacific salmonPhylum ChordataSalmonidaeSalmoniformesSalmoninaeSalvelinus malmaSalvelinus malma lordiSeacam underwater housingSilver SalmonSouth Central AlaskaSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebrateaggressionbiospherechordateconfrontation between speciesdiadromousfresh waterfreshwaterin situiteroparityiteroparousjackjack salmonloticmigratorynaturalworldnatureprecocial maleprecocious malestreamunder fresh waterunderwaterunderwaterphotowildwild charwild charrwild salmonwild trout
Male Sockeye salmon quivering a female Dolly Varden
Male Sockeye Salmon (Oncorhynchus nerka) quivering a female Dolly Varden (Salvelinus malma) in a vain attempt to spawn. Aspect ratio = 2:3.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiDolly VardenDolly Varden CharDolly Varden CharrDolly Varden Charr southern formInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSalvelinus malmaSalvelinus malma lordiSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebrateaggressionanadromousanadromybiospherechordateconfrontation between speciescourtshipdiadromousdiadromyfresh waterfreshwaterin situloticmigratorynaturalworldnaturesemelparitysemelparousspawning behaviorstreamunder fresh waterunderwaterunderwaterphotowildwild salmon
Sockeye Salmon male intruding on Dolly Varden spawners
Courtship interupted: Sockeye Salmon (Oncorhynchus nerka) male intruding on Dolly Varden (Salvelinus malma) spawners.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiDolly VardenDolly Varden CharDolly Varden CharrDolly Varden Charr southern formInfraclass TeleosteiNeopterygiiPhylum ChordataSalmonidaeSalmoniformesSalmoninaeSalvelinus malmaSalvelinus malma lordiSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebrateaggressionbiospherechordateconfrontation between speciescourtshipfightingin situnaturalworldspawning behaviorunderwaterwildwild charwild charrwild salmonwild trout
Pink Salmon vs. Sockeye Salmon
A Pink Salmon female defends her territory by attacking a Sockeye Salmon female attempting to excavate a redd too close to hers.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebrateaggressionanadromousanadromybiospherechordateconfrontation between speciesdiadromousdiadromyfightingfresh waterfreshwaterin situloticmigratorynaturalworldnaturesemelparitysemelparousstreamunder fresh waterunderwaterunderwaterphotowildwild salmon
Putative Sockeye-Chum salmon hybrid
This salmon has external characteristics of Chum and Sockeye salmon suggesting it could be a hybrid between these species.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebratebiospherechordatehybridin situnaturalworldnaturestrayingunderwaterunderwaterphotowildwild salmon