Dulvy et al. 2021 Overfishing drives over one third of all sharks and rays toward a global extinction crisis. Current Biology

Summary statistics from IUCN Red List assessments: https://rpubs.com/natpac/Dulvy_et_al_2021_Summary_sats_IUCN_RLA

Browse the richness and threat maps here (thanks to Jay Matsushiba): https://nickdulvy.github.io/SharkReassessment/