Sinoatrial contracaeciasis in Johnny Darters (Etheostoma nigrum) and Plains Topminnow (Fundulus sciadicus) from the South Platte drainage, Colorado - Schaffer, Paula Andrea; McGrew, Ashley; Henley, Jessica; Adams, Catherine; Winkelman, Dana; Fitzpatrick, Ryan; Cadmus, Pete (Aquaculture, Fish and Fisheries, 2025)