1. Other Arthropoda

2. Water Mites Small, often brightly colored, especially red
Cephalothorax is small, making the abdomen the only visible segment
Common in shallow littoral zone among aquatic plants
Adults are mostly piercer-predators on small dipterans and microcrustaceans
Larvae are external parasites especially on larval midges and mosquitoes
Have a very complex life cycle

3. Order Isopoda: Sow Bugs
Secretive; found in shallow water
Omnivorous
Eggs held in marsupium

4. Order Amphipoda: Scuds,Sideswimers
Laterally compressed
Most abundant in the absence of fish
Negatively phototactic
Omniovores
Eggs and young are brooded in marsupium
Some are subterranean

5. Order Decapoda: Crayfish and Shrimps

7. Fairy Shrimp

8. Order Ostracoda: Clam Shrimp