Classification:
Phylum: Porifera
Class: Demospongiae
Scientific Name: Spongilla
Class: Demospongiae
Scientific Name: Spongilla
General Characteristics:
Spongilla is a species of freshwater sponges that have a soft and fragile texture and are light green in coloration. The surface of Spongilla is uneven and covered in rough spicules. Water exit holes are irregularly scattered and barely visible. As with other spong species, they have the ability to reproduce sexually or asexually depending on environmental conditions.
Habitat:
Spongilla are only found in clear freshwater lakes and slow moving streams in North America, Europe, and Asia growing under rocks or logs.
Importance to Humans:
It is believed that species of Spongilla can be a good indicator or water pollution due to the fact that they need a relativley clean and pure water supply to survive.
Sources:
"Spongilla lacustris". Red Orbit. Retrieved from: http://www.redorbit.com/education/reference_library/science_1/porifera/1112651961/spongilla-lacustris/.