The Trump administration rejected a petition Monday to protect imperiled Pacific bluefin tuna under the Endangered Species Act. This powerful apex predator, which commands top prices at fish auctions in Japan, has been overfished to less than 3 percent of its historic population. Although the National Marine Fisheries Service announced in October 2016 that it was considering listing the Pacific bluefin, it has now concluded that protections aren't warranted.

"If the paychecks of fishery managers and federal officials were tied to the status of this marvelous creature, they would have done the right thing," said Carl Safina, president of the Safina Center and a scientist and author who has worked to draw public attention to the plight of the bluefin tuna.