Redd Superimposition
Superimposition in progress
A few salmon eggs rising from stream sediment duing redd excation by a female Sockeye Salmon (Oncorhynchus nerka) from the superimposition in progress.
25Mile CreekActinopterygiiAlaskaChordataClass ActinopterygiiCopper River DeltaInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratechordateeggsfemale behaviorredd excavationredd superimpositionspawningspawning behaviorsuperimpositionunderwaterwww.salmonography.com
Coho Salmon superimposition
This Coho Salmon (Oncorhynchus kisutch) female is superimposing her redd onto an existing one.
ActinopterygiiAlaskaAlaska wild salmonAutumnChordataClass ActinopterygiiCoho SalmonInfraclass TeleosteiNeopterygiiOncorhynchus kisutchPacific salmonPhylum ChordataSalmonidaeSalmoniformesSalmoninaeSea Sea internal correction lensSeacam underwater housingSilver SalmonSouth Central AlaskaSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebratebiospherechordatein situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmonwww.salmonography.com
Sockeye Salmon superimposing
Female Sockeye Salmon (Oncorhynchus nerka) superimposing her redd onto an existing one.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatein situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmonwww.salmonography.com
Sockeye Salmon redd superimposition in progress
This female Sockeye Salmon (Oncorhynchus nerka) is creating a superimposition by excavating on an existing redd
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatein situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmonwww.salmonography.com
Sockeye Salmon redd superimposition in progress
This female Sockeye Salmon (Oncorhynchus nerka) is creating a superimposition by excavating on an existing redd
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatein situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmonwww.salmonography.com
Sockeye Salmon redd superimposition in progress
This female Sockeye Salmon (Oncorhynchus nerka) is creating a superimposition by excavating on an existing redd
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatein situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmonwww.salmonography.com
Redd excavation dynamics
With her alpha male guarding from a position just downstream and a spawned-out female guarding her redd upstream, a female Chum Salmon (Oncorhynchus keta) excavates her redd by turning sideways and making a radid body undulation.
ActinopterygiiAlaskaAlaska wild salmonChordataChum SalmonClass ActinopterygiiDog SalmonFishInfraclass TeleosteiNeopterygiiOncorhynchus ketaPacific salmonPhylum ChordataSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatecovering reddin situnaturalworldnaturephotographed under waterspawning behaviorunderwaterunderwater photographyunderwaterphotowildwild salmonwww.salmonography.com
Female Coho Salmon superimposes her redd.
Previously spawned salmon eggs are suspened into the water column as this female Coho Salmon (Oncorhynchus kisutch) superimposes her redd.
ActinopterygiiAlaskaAlaska wild salmonAutumnChordataClass ActinopterygiiCoho SalmonInfraclass TeleosteiNeopterygiiOncorhynchus kisutchPacific salmonPhylum ChordataSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSilver SalmonSouth Central AlaskaSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebratebiospherechordatediggingexcavatingin situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmonwww.salmonography.com
Superimposition
A female Sockeye Salmon (Oncorhynchus nerka) uses her anal fin to probe her redd. Loose eggs on the bottom and swirling about are due her having partially superimposed her redd onto an existing one. Underwater view in an Alaskan stream during the summer.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebratebiospherechordatecovering reddin situnaturalworldnaturespawning behaviorunderwaterunderwaterphotowildwild salmonwww.salmonography.com
Sockeye Salmon superimposing her redd onto an existing one
A female Sockeye Salmon (Oncorhynchus nerka) superimposing her redd onto an existing one causing developing eggs to be lost.
ActinopterygiiAlaskaAlaska wild salmonChordataClass ActinopterygiiInfraclass TeleosteiNeopterygiiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSouth Central AlaskaSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebratebiospherechordatein situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmonwww.salmonography.com