How many Blue Marlin are there in the ocean?



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    There are thirteen species of billfish, including swordfish, spearfish, and marlins. Populations of white marlins are at 10% their levels in the 1960s. While finding a specific number for their population is difficult, scientists have said the creatures are being fished at a rate seven times faster than they can reproduce. Some species of marlin could be extinct within ten years.

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