Tastes Great, Less Filling

One copepod Euchaeta norvegica gobbles up another Calanus finmarchicus (clear and sticking out of the top of Euchaeta) after being scooped out of New England waters. Both zooplankton were captured in a “bongo” net as researchers sampled the waters for the food that attracts so many northern right whales to the region. Samples of Calanus are collected for isotope analysis (different populations have slightly different chemical signatures) so that researchers can eventually figure out where the whales are feeding. (Photo by Melissa Patrician, Woods Hole Oceanographic Institution)