TY - RPRT TI - Trophic ecology and gill raker morphology of seven catostomid species in Iowa rivers AU - J.R. Spiegel AU - M.C. Quist AU - J.E. Morris PY - 2011 DO - 10.1111/j.1439-0426.2011.01779.x UR - https://pubs.usgs.gov/publication/70034596 ID - 70034596 ER -