https://phys.org/news/2018-07-court-seafood-caught-nets-tiny.html

Some scientists estimate that there could be as few as 15 of the vaquita—Spanish for "little cow"—left. The court noted that experts believe they could be extinct by 2021 without intervention.

Their numbers have been severely reduced illegal fishing and by the gillnets, which are used to catch a variety of shrimp and fish.