Given the task definition and input, reply with output. In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

The International Union for Conservation of Nature 's Shark Specialist Group say that shark fin trade is causing a serious danger to the shark population .

The International Union for Conservation of Nature 's Shark Specialist Group say that shark finning is widespread , and that " the rapidly expanding and largely unregulated shark fin trade represents one of the most serious threats to shark populations worldwide " .