Katherine Balasingham, a student at the Great Lakes Institute for Environmental Research, is exploring ways to find rare aquatic species by extracting their left-behind DNA from water samples. Study on stress-free method of detecting rare species wins recognition Jun 1st, 2015 MSc candidate has won notice for her research in detecting the presence of rare fish species without disturbing them. Tags: Professor Hugh MacIsaacprofessors Daniel D. Heath and Ryan P. WalterKatherine Balasingham