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Aquatic Food Web
Algae -Producer
s
Benthos - Mud Dwelling Scavengers
and Decomposers
Zooplankton – Herbivores and Carnivores
Macroinvertebrates – Herbivores, Carnivores and
Omnivores
Foraging Fish –
Carnivores,
Herbivores, and
Scavengers
Floating and Submerged
Vegetation - Producers
Oxygen, Carbon Dioxide,
+ Heat and Light Energy
Nutrients from the land
Illustrations by
Decomposers: crustaceans, midge larva
Picture is reprinted with permission from Dr. Denise B. Stoeckel, Illinois Natural History survey, http://dnr.state.il.us
midge larvaamphipod
Herbivores: mayfly and water penny
Pictures reprinted with permission from Leska Fore, King County Regional Water Quality, http://www.seanet.com/~leska
Carnivores: Dragonfly larvae, Hellgramite
Illustrations by
Omnivores: Example - Crayfish
Pictue reprinted with permission from Leska Fore, King County Regional Water Quality, http://www.seanet.com/~Leska
Isopod & Amphipod
Pictue reprinted with permission from Leska Fore, King County Regional Water Quality, http://www.seanet.com/~Leska
Caddisfly life cycle
Picture reprinted with permission from Karen Heathman, Indigo Ink Graphic Design, http://www.kidfish.bc.ca
Head
Abdomen
Thorax
Adult Damselfly Insect
Illustration by
Six Legs
Picture reprinted with permission from Brett Crans, new Jersey Mosquito Control Assoc., Inc., http://www.njmosquito.org
Mosquito life cycle
Fishing spider with bubble
Photo reprinted with permission from Soni Cochran, Univ. Of Nebraska Lincoln Dept. of Entomology, http://entomology.unl.edu/images/spiders/dolomedes2.jpg