Seen while completing plant monitoring with Steve W in the Hole-in-the-Donut, Restoration Area 2019, in Everglades National Park
More info about this amazing area here: https://www.nps.gov/ever/learn/nature/hidprogram.htm
Project that includes most of the restoration areas: https://www.inaturalist.org/projects/everglades-national-park-hole-in-the-donut-restoration
Identified using microscope and Key to the Earthworms of the UK & Ireland.