Sympatric non-salmonid biota

Biota other than salmonids occupying the same habiat likely interact ecologically with anadromous salmon; they may depend on salmon for sustenance.

Three-spine Stickleback foraging
Three-spine Stickleback (Gasterosteus aculeatus) foraging near green algae.
Actinopterygii Alaska Animal Biology Chordata Class Actinopterygii Cordova Eyak Lake Gasterosteiformes Gasterosteus aculeatus Infraclass Teleostei Neopterygii Phylum Chordata Prince William Sound Running Bear Creek South Central Alaska Subclass Neopterygii Summer Teleost Teleostei Threespine Stickleback United States Vertebrate biological chordate living microprobe near Cordova organism underwater www.salmonography.com
Three-spine Stickleback
Three-spine Stickleback (Gasterosteus aculeatus) foraging near beach spawning salmon in Eayk Lake, Alaska.
Actinopterygii Alaska Animal Biology Chordata Class Actinopterygii Gasterosteiformes Gasterosteus aculeatus Infraclass Teleostei Neopterygii Oncorhynchus nerka Pacific salmon Phylum Chordata Red Salmon Reproductive behavior Running Bear Creek Salmonidae Salmoniformes Salmoninae Sockeye Salmon South Central Alaska Subclass Neopterygii Summer Teleost Teleostei Threespine Stickleback United States Vertebrate beach spawning biological chordate courtship living near Cordova organism underwater www.salmonography.com
Yukon Floater
This example of the freshwater mussel known as Yukon Floater (Anodonta beringiana) was photographed living in Eyak Lake near Cordova, Alaska.
Alaska Animal Anodonta Anodonta beringiana Biology Class Bivalvia Cordova Eyak Lake Invertebrate Mollusca Order Unionida Phylum Mollusca Prince William Sound South Central Alaska Spring Subclass Palaeoheterodonta Unionidae United States Yukon floater biological freshwater invertebrate freshwater mollusk freshwater mussel living mollusk organism
Yukon Floater
This example of the freshwater mussel known as Yukon Floater (Anodonta beringiana) was photographed living in Eyak Lake near Cordova, Alaska.
Alaska Animal Anodonta Anodonta beringiana Biology Class Bivalvia Cordova Eyak Lake Invertebrate Mollusca Order Unionida Phylum Mollusca Prince William Sound South Central Alaska Spring Subclass Palaeoheterodonta Unionidae United States Yukon floater biological freshwater invertebrate freshwater mollusk freshwater mussel living mollusk organism
The planarian Polycelis coronata borealis
The planarian Polycelis coronata borealis is commonly found living on the underside of rocks in Alaska salmon streams. Photgraphed in situ during winter.
Animal Biology Class Turbellaria Ecology Invertebrate Order Tricladida planarians Phylum Platyhelminthes Planarian Platyhelminthes Polycelis coronata borealis Seacam underwater housing Spring biological biosphere flatworm freshwater invertebrate in situ living marine life naturalworld nature organism underwater underwater photography underwaterphoto wild
The planarian Polycelis coronata borealis
The multi-eyed planarian Polycelis coronata borealis can be found living under rocks in salmon streams. Aspect Ratio = 4:5.
Animal Biology Class Turbellaria Ecology Invertebrate Order Tricladida planarians Phylum Platyhelminthes Planarian Platyhelminthes Polycelis coronata borealis Seacam underwater housing Spring biological biosphere flatworm freshwater invertebrate in situ living marine marine life naturalworld nature organism underwater underwater photography underwaterphoto wild
Eulachon spawning migration
Underwater view of the spawning migration of eulachon/hooligan (Thaleichthys pacificus; Osmeridae). Aspect Ratio = 3:4.
Actinopterygii Alaska Alaska wild salmon Animal Biology Chordata Class Actinopterygii Copper River Delta Ecology Eulachon Infraclass Teleostei Neopterygii Osmeridae Osmeriformes Phylum Chordata Seacam underwater housing South Central Alaska Spring Subclass Neopterygii Teleost Teleostei Thaleichthys pacificus United States Vertebrate biological biosphere chordate in situ living marine marine life naturalworld nature organism smelt underwater underwaterphoto wild www.salmonography.com
Eulachon spawning migration
Underwater view of the spawning migration of eulachon/hooligan (Thaleichthys pacificus; Osmeridae). Aspect ratio = 1:2.
Actinopterygii Alaska Alaska wild salmon Animal Biology Chordata Class Actinopterygii Copper River Delta Ecology Eulachon Infraclass Teleostei Neopterygii Osmeridae Osmeriformes Phylum Chordata Reproductive behavior Seacam underwater housing South Central Alaska Spring Subclass Neopterygii Teleost Teleostei Thaleichthys pacificus United States Vertebrate biological biosphere chordate courtship in situ living marine marine life naturalworld nature organism smelt spawning migration underwater underwaterphoto wild www.salmonography.com