The threats include accidental drowning in shrimp nets and in gillnets set illegally for an endangered giant croaker, the totoaba, which has a swim bladder that is a pricey black - market delicacy in China. (dotearth.blogs.nytimes.com)
In 2015, the Mexican government instituted a two - year gillnet ban over the range of the vaquita. (sciencedaily.com)
Instead, the new acoustic study found that the decline has accelerated along with a resumption of illegal gillnet fishing for totoaba. (sciencedaily.com)