Well I have never seen this before… This video features the purple marsh crab, Sesarma reticulatum. This crab is a well known marsh herbivore (actually omnivore!) that feeds on aboveground leaves and belowground roots of the dominant marsh cordgrass, Spartina alterniflora. The purple marsh crab is almost exclusively nocturnal, coming out at night to feed … Continue reading Purple Marsh Crab Grazing…during the day…at high tide!