Robuta

https://www.usgs.gov/media/images/lyngbya-gathering
A toxin-producing cyanobacteria with natural chlorophyll fluorescence (red) and DNA stain (green).
geological surveylyngbyagathering
https://www.marinespecies.org/aphia.php?p=taxdetails&id=608250
marine specieswormsworldregisterlyngbya