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 StatesVertebratechordateeggsfish behaviorredd excavationredd superimpositionspawningspawning behaviorsuperimpositionunderwater
Coho Salmon superimposition
This Coho Salmon (Oncorhynchus kisutch) female is superimposing her redd onto an existing one.
ActinopterygiiAlaska wild salmonAutumnChordataClass ActinopterygiiCoho SalmonInfraclass TeleosteiNeopterygiiOncorhynchus kisutchPacific salmonPhylum ChordataSalmonidaeSalmoniformesSalmoninaeSea Sea internal correction lensSeacam underwater housingSilver SalmonSubclass NeopterygiiTeleostTeleosteiVertebratebiospherechordatefish behaviorin situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmon
Sockeye Salmon superimposing
Female Sockeye Salmon (Oncorhynchus nerka) superimposing her redd onto an existing one.
Alaska wild salmonClass ActinopterygiiInfraclass TeleosteiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSubclass NeopterygiiSummerTeleostVertebratebiospherefish behaviorin situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmon
Sockeye Salmon redd superimposition in progress
This female Sockeye Salmon (Oncorhynchus nerka) is creating a superimposition by excavating on an existing redd
Alaska wild salmonClass ActinopterygiiInfraclass TeleosteiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSubclass NeopterygiiSummerTeleostVertebratebiospherefish behaviorin situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmon
Sockeye Salmon redd superimposition in progress
This female Sockeye Salmon (Oncorhynchus nerka) is creating a superimposition by excavating on an existing redd
Alaska wild salmonClass ActinopterygiiInfraclass TeleosteiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSubclass NeopterygiiSummerTeleostVertebratebiospherefish behaviorin situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmon
Sockeye Salmon redd superimposition in progress
This female Sockeye Salmon (Oncorhynchus nerka) is creating a superimposition by excavating on an existing redd
Alaska wild salmonClass ActinopterygiiInfraclass TeleosteiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSubclass NeopterygiiSummerTeleostVertebratebiospherefish behaviorin situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmon
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.
Alaska wild salmonAutumnClass ActinopterygiiCoho SalmonInfraclass TeleosteiOncorhynchus kisutchPacific salmonPhylum ChordataSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSilver SalmonSubclass NeopterygiiTeleostVertebratebiospherediggingexcavatingfish behaviorin situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmon
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.
Alaska wild salmonClass ActinopterygiiInfraclass TeleosteiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSubclass NeopterygiiSummerTeleostVertebratebiospherecovering reddfish behaviorin situnaturalworldnaturespawning behaviorunderwaterunderwaterphotowildwild salmon
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.
Alaska wild salmonClass ActinopterygiiInfraclass TeleosteiOncorhynchus nerkaPacific salmonPhylum ChordataRed SalmonSalmonidaeSalmoniformesSalmoninaeSeacam underwater housingSockeye SalmonSubclass NeopterygiiTeleostVertebratebiospherefish behaviorin situnaturalworldnatureredd superimpositionspawningspawning behaviorsuperimpositionunderwaterunderwaterphotowildwild salmon