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Freshwater Invertebrate Underwater Pictures, Page 4

Browse through all the underwater photos on this site below, or pick a category on the right.

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In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Mayfly Species Ephemerella invaria (Sulphur Dun). From the Namekagon River in Wisconsin.


In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Mayfly Species Ephemerella invaria (Sulphur Dun).
StateWisconsin
LocationNamekagon River
Date TakenApr 23, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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In this picture: Mayfly Family Baetidae (Blue-Winged Olives), Insect Order Trichoptera (Caddisflies), and Mayfly Genus Epeorus (Little Maryatts). From Mongaup Creek in New York.


In this picture: Mayfly Family Baetidae (Blue-Winged Olives), Insect Order Trichoptera (Caddisflies), and Mayfly Genus Epeorus (Little Maryatts).
StateNew York
LocationMongaup Creek
Date TakenApr 19, 2006
Date AddedApr 22, 2006
AuthorTroutnut
CameraPENTAX Optio WPi
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In this picture: Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs). From the Namekagon River in Wisconsin.


In this picture: Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs).
StateWisconsin
LocationNamekagon River
Date TakenApr 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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In this picture: Mayfly Genus Epeorus (Little Maryatts) and Mayfly Family Baetidae (Blue-Winged Olives). From Mongaup Creek in New York.


In this picture: Mayfly Genus Epeorus (Little Maryatts) and Mayfly Family Baetidae (Blue-Winged Olives).
StateNew York
LocationMongaup Creek
Date TakenApr 19, 2006
Date AddedApr 22, 2006
AuthorTroutnut
CameraPENTAX Optio WPi
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There's a very well-camouflaged Baetisca laurentina mayfly nymph resting on the twig in the bottom left corner of this picture. Can you spot him? In this picture: Mayfly Species Baetisca laurentina (Armored Mayfly). From the Namekagon River in Wisconsin.
There's a very well-camouflaged Baetisca laurentina mayfly nymph resting on the twig in the bottom left corner of this picture. Can you spot him?

In this picture: Mayfly Species Baetisca laurentina (Armored Mayfly).
StateWisconsin
LocationNamekagon River
Date TakenApr 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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In this picture: Mayfly Genus Epeorus (Little Maryatts) and Mayfly Family Baetidae (Blue-Winged Olives). From Mongaup Creek in New York.


In this picture: Mayfly Genus Epeorus (Little Maryatts) and Mayfly Family Baetidae (Blue-Winged Olives).
StateNew York
LocationMongaup Creek
Date TakenApr 19, 2006
Date AddedApr 22, 2006
AuthorTroutnut
CameraPENTAX Optio WPi
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In this picture: Saddle-case Maker Genus Glossosoma (Little Brown Short-horned Sedges). From the East Branch of Trout Brook in New York.


In this picture: Saddle-case Maker Genus Glossosoma (Little Brown Short-horned Sedges).
StateNew York
LocationEast Branch of Trout Brook
Date TakenSep 20, 2006
Date AddedOct 4, 2006
AuthorTroutnut
CameraPENTAX Optio WPi
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This isn't really an underwater picture, but a picture taken into my aquarium of midge larvae which lived in the silt I used for substrate. Each larva has a little tower of detritus built up along the bottom, while the bare larva waves around from the top. In this picture: True Fly Family Chironomidae (Midges). From Mystery Creek # 62 in New York.
This isn't really an underwater picture, but a picture taken into my aquarium of midge larvae which lived in the silt I used for substrate. Each larva has a little tower of detritus (Detritus: Small, loose pieces of decaying organic matter underwater.) built up along the bottom, while the bare larva waves around from the top.

In this picture: True Fly Family Chironomidae (Midges).
StateNew York
Date AddedApr 24, 2007
AuthorTroutnut
CameraCanon EOS 20D
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Here's the surface of the river viewed from below during a Tricorythodes spinner fall. Several dead spinners are visible. In this picture: Mayfly Genus Tricorythodes (Tricos). From the Namekagon River in Wisconsin.
Here's the surface of the river viewed from below during a Tricorythodes spinner fall. Several dead spinners are visible.

In this picture: Mayfly Genus Tricorythodes (Tricos).
StateWisconsin
LocationNamekagon River
Date TakenJul 18, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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In this picture: Arthropod Order Decapoda (Crayfish). From the Namekagon River in Wisconsin.


In this picture: Arthropod Order Decapoda (Crayfish).
StateWisconsin
LocationNamekagon River
Date TakenMar 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
Underwater Photo Page:1...345...14
Top 10 Fly Hatches
BaetisBaetidaeEphemerellidaeHexagenia limbataChironomidaeHeptageniidaeEphemerella subvariaIsonychiaEphemerellaHydropsychidae
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Eat mayflies.
Top Insect Specimens
Baetisca obesa Mayfly NymphCorydalus Hellgrammite LarvaNeophylax Caddisfly AdultHydropsyche aenigma Caddisfly AdultEphemera guttulata Mayfly Dun
Miscellaneous Sites
Dalton Highway (Haul Road) Corridor Map