These are images of organisms that have been found in the freshwater aquaria in the halls outside the classroom in Temple Hall, Missouri State University.
Foraminiferan- small single celled organisms belonging to the Kingdom Protista
Vorticella- unicellular ciliated protozoan
Nematode-cylindrical worms with tapered tail and blunt head. Free-living; common in many aquatic environments and feeds off rotting organic matter.