Didymosphenia geminata (Didymo, aka rock snot) is a nuisance diatom that is spread via anglers and recreators to new rivers. Once established, the algae can bloom in river bottoms, disrupting benthic habitat and altering the physical and chemical conditions for other stream inhabitants, including trout. Michigan TU is actively working to expand monitoring and early detection of this invasive species, and better understand the environmental drivers of bloom formation. If you’re interested in helping in this crusade, please contact TU Aquatic Ecologist Jordyn Stoll at jordyn.stoll@michigantu.org.
More information on Didymo:
- Michigan Trout Magazine Didymo article: https://app.box.com/
s/ 1f0bmhb03mazarogyxovd6r4c25vnn kq - Annotated Bibliography on Didymo: https://app.box.com/s/
ap830mi78s016p0aeiajb6wfqz2x8z v1 - Michigan DNR Didymo website: https://www.michigan.
gov/invasives/id-report/ plants/aquatic/didymo-rock- snot - National Invasive Species Information Center
