Myponga River is considered to be quite diverse with more than
150 aquatic invertebrates collected at the gauging station between
1994 and 2004. Most invertebrates collected from this site are
quite common and can be found across the State.
The microcaddis Hellyethira simplex has been collected
from Myponga River on many occasions. They are found in slow-flowing
waters amongst submerged vegetation.