Endangered Right Whales Are Shrinking. Scientists Blame Commercial Fishing Gear Thursday, June 3, 2021 Scientists from NOAA Fisheries Service approach a young North Atlantic right whale in order to disentangle it. New research shows whales with severe entanglements in rope and fishing gear are experiencing stunted growth, and body lengths have been decreasing since 1981. NOAA News Archive 011811 North Atlantic right whales now grow smaller than they did 40 years ago, and new research suggests a leading cause is the damage human activity inflicts on the critically endangered mammals. The fin...