Water Quality Microorganisms

freshwater mayfly larvae

Freshwater mayfly adult

Cassidfly Larvae

Cassidfly adult

Clean fast Stonefly larvae

Clean fast stonefly adult

Super clean dobsonfly larvae

Super clean dobsonfly adult

Clean gilled snails larvae

Clean gilled snail adult

Oxygen Water Penny larvae

Oxygen water penny adult

Clean Riffle Beetle Larvae

Clean Riffle Beetle Adult

Slow water scorpion larvae

Slow water scorpion adult

Recovering Pollution Aquatic Sowbug

Slow Damselfly larvae

Slow damselfly adult

Slow dragonfly larvae

Slow dragonfly adult

Calcium Scud

Very Clean Crane Fly Adult

Bloodsucker Water Mite

Poor midge larvae

Poor midge adult

Too much nutrients Blackfly larvae

Too much nutrients Blackfly adult

Poor flatworm

Bloodsucking poor leeches

Nutrient rich, poor, air-breathing snail

Polluted horse fly larvae

Polluted horsefly adult

Muddy tubifex

Poor blood midge

Air whirligig beetle larvae

Air whirligig beetle adult

Air Water Strider

Stagnant Mosquito larvae

Stagnant mosquito

Air giant water bug

Polluted Air Back Swimmer

Air Water Boatman

Air Predacious Diving Beetle Larvae

Air Predacious Diving Beetle Adult

Purple Loosestrife

Eurasion Water Milfoil

Water Hyancinth

Zebra Mussel

Spiny Water Flea

Asian Tiger Mosquito

Asian Carp