Pathikrit Bhattacharyya (aka Po), from Casey Dunn's Invertebrate Zoology (Biol 0410) course at Brown University, tells the story of how the lancet liver fluke gets through life.

Visit creaturecast.org for more stories about the unexpected world of Biology.

The hand-drawn animations were photographed at the Brown University Science Center (brown.edu/academics/science-center/). Audio was recorded at the Granoff Center for the Creative Arts (brown.edu/academics/creative-arts-council/granoff). The songs Staccato and Spooky are by Alastair Cameron (freemusicarchive.org/music/Alastair_Cameron/).