Some species of sharks and rays could disappear from our seas altogether after a sharp drop in their numbers due to overfishing in the past 50 years.
원문출처 : https://www.cnn.com/2021/01/28/world/sharks-rays-decline-study-intl-hnk-scli-scn/index.html
원문출처 : https://www.cnn.com/2021/01/28/world/sharks-rays-decline-study-intl-hnk-scli-scn/index.html