Nooksack dace ( Rhinichthys cataractae sp. cataractae ) are a federally endangered riffle specialist with a limited distribution in the lower Fraser Valley of British Columbia, Canada.
Tadpole body shape data for 166 species. Landmarks and semilandmarks for characterizing the body shape of tadpoles. 1 Centre of the eye 2 Centre of the external nares 3 Point where the upper labium co
