Video of Nanophyetus salmincola movement under the scope. (Video: Tamara Layden)
This video is from the paper:
Preston, DL, Layden, TJ, Segui, LM, Falke, LP, Brant, SV, Novak, M. Trematode parasites exceed aquatic insect biomass in Oregon stream food webs. J Anim Ecol. 2021; 00: 1– 10. https://doi.org/10.1111/1365-2656.13409