Fig. 5: Increase in extinction risk of coral reef sharks and rays over the past half century. | Nature Communications

Fig. 5: Increase in extinction risk of coral reef sharks and rays over the past half century.

From: Half a century of rising extinction risk of coral reef sharks and rays

Fig. 5

Global Red List index (RLI) for the 125 data-sufficient reef sharks and rays combined, and each separately, estimated in 1970, 1980, 2005, and 2021, and compared to the RLI for all shark and ray species. An RLI value of 1 indicates that all species in the taxa are Least Concern and an RLI value of 0 indicates that all species are Extinct. Source data are provided as a Source Data file.

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