Bycatch threatens several species of dolphins and porpoises with extinction. To mitigate the effects of accidental catches, Mexican authorities have instated an emergency two-year ban on gillnetting.
A newly launched search in Mexico's Sea of Cortez has reportedly found several vaquita marina porpoises, one of the most critically endangered animals in the world. This reassures conservationists that the vaquita isn't extinct yet. However, that doesn't mean the tiny animals are in good shape.