Freshwater Invertebrate Underwater Pictures
Browse through all the underwater photos on this site below, or pick a category on the right.
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This is my favorite underwater picture so far. It shows a bunch of Simuliidae (black fly) larvae clinging to a rock and swinging in the fast current. There are also at least four visible mayfly nymphs, probably in the family Baetidae.
In this picture: Mayfly Family Baetidae (Blue-Winged Olives) and True Fly Family Simuliidae (Black Flies).
In this picture: Mayfly Family Baetidae (Blue-Winged Olives) and True Fly Family Simuliidae (Black Flies).
This Ephemerella subvaria (Hendrickson) nymph picture is one of my favorites.
In this picture: Mayfly Species Ephemerella subvaria (Hendrickson).
In this picture: Mayfly Species Ephemerella subvaria (Hendrickson).
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Hundreds of cased caddisfly larvae live on this log in a small brook trout stream.
In this picture: Insect Order Trichoptera (Caddisflies).
In this picture: Insect Order Trichoptera (Caddisflies).
There's a large Ephemerella subvaria nymph in the top left.
In this picture: Insect Order Trichoptera (Caddisflies), Mayfly Species Ephemerella invaria (Sulphur), and Mayfly Species Ephemerella subvaria (Hendrickson).
In this picture: Insect Order Trichoptera (Caddisflies), Mayfly Species Ephemerella invaria (Sulphur), and Mayfly Species Ephemerella subvaria (Hendrickson).
The mayfly and stonefly nymphs in this picture blend in extremely well.
In this picture: Insect Order Plecoptera (Stoneflies) and Mayfly Species Ephemerella invaria (Sulphur).
In this picture: Insect Order Plecoptera (Stoneflies) and Mayfly Species Ephemerella invaria (Sulphur).
Hundreds of cased caddis larvae cling to sparse weed growth in the sand under heavy current.
In this picture: Insect Order Trichoptera (Caddisflies).
In this picture: Insect Order Trichoptera (Caddisflies).
A careful look at this picture reveals at least three water boatmen swimming around.
In this picture: True Bug Family Corixidae (Water Boatmen).
In this picture: True Bug Family Corixidae (Water Boatmen).
Several Baetidae nymphs line up on a rock.
In this picture: Mayfly Family Baetidae (Blue-Winged Olives).
In this picture: Mayfly Family Baetidae (Blue-Winged Olives).
There are several mayfly and stonefly nymphs clinging to this log.
In this picture: Stonefly Family Taeniopterygidae (Willowflies) and Mayfly Family Baetidae (Blue-Winged Olives).
In this picture: Stonefly Family Taeniopterygidae (Willowflies) and Mayfly Family Baetidae (Blue-Winged Olives).
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