Macroinvertebrates


Alder fly nymph	Backswimmer	Bristle worm
Caddisfly larva	Clam	Crawling water beetle
Crayfish	Damselfly nymph	Dragonfly nymph
Fairy shrimp	Gilled snail	Leech
Lunged snail	Marsh treader	Mayfly nymph
Midge pupa	Midgefly larva	Mussel
Orb snail	Phantom midge larva	Planaria
Predaceous diving beetle	Predaceous diving beetle larva	Scud
Soldier fly larva	Sowbug	Springtail
Thread worm	Water boatman	Water mite
Water scavenger beetle	Water strider	Whirligig beetle

(Click on a species name for more information.)