March 23, 2018 — Leatherback turtles are nature’s U-boats, 1,500-pound reptiles that can dive to depths of more than half a mile, snatch a jellyfish and stay submerged for more than an hour before resurfacing.

Protected as endangered species for nearly half a century, their Atlantic population soon may lose that status, in what is becoming a fight between commercial fishermen and conservationists.

The Blue Water Fishermen’s Association, which represents longline fishermen who catch swordfish, tuna and other big fish along the east coast, has petitioned the federal government to reclassify from endangered to threatened the northwest Atlantic population of leatherbacks, which crawl up on Florida beaches every spring and summer to lay eggs.

With the Pacific leatherback population crashing, they say the northwest Atlantic population should be classified separately so U.S. fishermen aren’t penalized for the failure of other countries to protect them.

“Right now the leatherback population of the Earth is considered to be one stock of turtles,” said Jack Devnew, president of the Blue Water Fishermen’s Association. “Things happen in a different part of the ocean, and our fishermen pay the price.”

European, Canadian and Pacific fishing fleets operate with fewer of the restrictions imposed by the U.S. government to prevent the accidental catch of sea turtles, he said. U.S. longline boats, for example, must use circle hooks, sharply curved hooks that are harder to swallow and have reduced their swordfish catch by 30 percent, he said.

Although leatherback populations in the Atlantic are generally increasing, with some fluctuations here and there, their outlook in the Pacific is far grimmer, according to the National Marine Fisheries Service. In the western Pacific, they have declined more than 80 percent over the past three generations, and in the eastern Pacific, they have declined more than 97 percent. In Malaysia, Indonesia, Mexico and other Pacific rim countries, people routinely dig up leatherback nests to eat their eggs.

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