Freshwater Bivalves
Freshwater Bivalves
Water fleas (Cladocera)
Water fleas (Cladocera)
Alderfly larvae (order Megaloptera, family Sialidae)
Alderfly larvae (order Megaloptera, family Sialidae)
Brown China-mark larva (Elophila nymphaeata)
Brown China-mark larva (Elophila nymphaeata)
Primitive minnow mayflies (Ephemeroptera, Siphlonuridae)
Primitive minnow mayflies (Ephemeroptera, Siphlonuridae)
White-legged damselfly nymphs (Platycnemididae)
White-legged damselfly nymphs (Platycnemididae)
Freshwater jellyfish or hydromedusae (Craspedacusta sowerbyi)
Freshwater jellyfish or hydromedusae (Craspedacusta sowerbyi)
Tadpole shrimps (Notostraca, Triopsidae)
Tadpole shrimps (Notostraca, Triopsidae)
Darner dragonfly nymphs (Aeshnidae)
Darner dragonfly nymphs (Aeshnidae)
Spiketail dragonfly nymphs (Cordulegastridae)
Spiketail dragonfly nymphs (Cordulegastridae)
Skimmer dragonfly nymphs (Libellulidae)
Skimmer dragonfly nymphs (Libellulidae)
Emerald dragonfly nymphs (Corduliidae)
Emerald dragonfly nymphs (Corduliidae)
Clubtail dragonfly nymphs (Gomphidae)
Clubtail dragonfly nymphs (Gomphidae)
Narrow-winged damselfly nymphs (Coenagrionidae)
Narrow-winged damselfly nymphs (Coenagrionidae)
Spread-winged damselfly nymphs (Lestidae)
Spread-winged damselfly nymphs (Lestidae)
Broad-winged damselfly nymphs (Calopterygidae)
Broad-winged damselfly nymphs (Calopterygidae)
Case-building caddisfly larvae (Trichoptera)
Case-building caddisfly larvae (Trichoptera)
Net-spinning caddisfly larvae (Trichoptera, Hydropsychidae)
Net-spinning caddisfly larvae (Trichoptera, Hydropsychidae)
Free-living caddisfly larvae (Trichoptera, Rhyacophilidae)
Free-living caddisfly larvae (Trichoptera, Rhyacophilidae)
Tube-making and Trumpet-net caddisfly larvae (Trichoptera)
Tube-making and Trumpet-net caddisfly larvae (Trichoptera)
Flathead mayfly nymphs (Ephemeroptera, Heptageniidae)
Flathead mayfly nymphs (Ephemeroptera, Heptageniidae)
Minnow mayfly nymphs (Ephemeroptera, Baetidae)
Minnow mayfly nymphs (Ephemeroptera, Baetidae)
Hacklegill mayfy nymphs (Ephemeroptera, Potamanthidae)
Hacklegill mayfy nymphs (Ephemeroptera, Potamanthidae)
Prong-gilled mayfly nymphs (Ephemeroptera, Leptophlebiidae)
Prong-gilled mayfly nymphs (Ephemeroptera, Leptophlebiidae)
Mayfly nymphs (Ephemeroptera, Ephemeridae), Common burrowing mayflies
Mayfly nymphs (Ephemeroptera, Ephemeridae), Common burrowing mayflies
Water scorpion (Nepa cinerea)
Water scorpion (Nepa cinerea)
Needle bug (Ranatra linearis)
Needle bug (Ranatra linearis)
Backswimmer (Notonectidae)
Backswimmer (Notonectidae)
Water boatmen (Corixidae)
Water boatmen (Corixidae)
Creeping water bug (Naucoridae)
Creeping water bug (Naucoridae)
Water strider (Gerris lacustris)
Water strider (Gerris lacustris)
Great diving beetle (Dytiscus marginalis)
Great diving beetle (Dytiscus marginalis)
Lesser diving beetle (Acilius sulcatus)
Lesser diving beetle (Acilius sulcatus)
Diving beetles (Dytiscidae)
Diving beetles (Dytiscidae)
Water scavenger beetles
Water scavenger beetles
Crawling water beetles (Haliplidae)
Crawling water beetles (Haliplidae)
Riffle beetles (Elmidae)
Riffle beetles (Elmidae)
Whirligig beetle (Gyrinidae)
Whirligig beetle (Gyrinidae)
Marsh beetle larva (Scirtidae)
Marsh beetle larva (Scirtidae)
Mosquito (Culicidae)
Mosquito (Culicidae)
Black fly larva and pupa (Simuliidae)
Black fly larva and pupa (Simuliidae)
Non-biting midges (Chironomidae)
Non-biting midges (Chironomidae)
Non-biting midge larvae (Chironomidae, Rheotanytarsus)
Non-biting midge larvae (Chironomidae, Rheotanytarsus)
Phantom midges (Chaoborus flavicans)
Phantom midges (Chaoborus flavicans)
Stonefly nymphs (Plecoptera)
Stonefly nymphs (Plecoptera)
Spongillafly larva (Sisyra fuscata)
Spongillafly larva (Sisyra fuscata)
Aquatic sow bugs or water lice (Asellus aquaticus)
Aquatic sow bugs or water lice (Asellus aquaticus)
Scuds or Side-swimmers (Gammaridae)
Scuds or Side-swimmers (Gammaridae)
Seed shrimp (Ostracod)
Seed shrimp (Ostracod)
Brine shrimp (Artemia salina)
Brine shrimp (Artemia salina)
Freshwater snails and limpets (Gastropoda)
Freshwater snails and limpets (Gastropoda)
Freshwater Bryozoans or moss animals (phylum Bryozoa, class Phylactolaemata)
Freshwater Bryozoans or moss animals (phylum Bryozoa, class Phylactolaemata)
Flatworms (Tubellaria)
Flatworms (Tubellaria)
Freshwater hydra (Hydridae)
Freshwater hydra (Hydridae)
Water mites (Hydrachnidae)
Water mites (Hydrachnidae)
Water spider (Argyroneta aquatica)
Water spider (Argyroneta aquatica)
Ciliated protozoans (Vorticella)
Ciliated protozoans (Vorticella)
Ciliated protozoans (Carchesium)
Ciliated protozoans (Carchesium)
Sentor or trumpet animalcules (Stentoridae)
Sentor or trumpet animalcules (Stentoridae)