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“We have to keep doing that until all the threats are really and truly mitigated, that’s why they are conservation dependent,” Grant says.

While the species around the reef is registered on the conservation dependent list, Humane Society International Australia has pursued an endangered listing for the scalloped hammerhead since 2010, the Guardian reported.

California’s fish and wildlife department notes that while the white sturgeon is not yet listed, its survival is considered “conservation dependent.”

Here’s a breakdown of the 63,837 species now assessed on the Red List: Extinct = 801 Extinct in the Wild = 63 Critically Endangered = 3,947 Endangered = 5,766 Vulnerable = 10,104 Near Threatened = 4,467 Lower Risk/Conservation Dependent* = 255 Least Concern = 27,937 In addition, nearly 10,500 species appear on the list in the “Data Deficient” category, indicating that there is not enough information to properly assess those species’ health.

By 2000, the International Union for Conservation of Nature, which maintains the Red List of Threatened Species, downgraded the crocodile from "Endangered" to "Lower risk/Conservation dependent."