Vaquita (Phocoena sinus)
- 18tanzmana
- May 16, 2016
- 2 min read

Basics
Was not discovered until 1958
As few as 30 species left
Newborns have darker coloration and a wide gray fringe of color that goes from the head to the dorsal flukes
Found close to shore in the Gulf’s shallow waters, but swim away quickly from boats
Dorsal surface is dark gray, sides pale gray and ventral surface white with long, light gray markings
Has a large ring around its eyes and dark patches on its lips that form a thin line from the mouth to the pectoral fins
Why are they endangered?
The species will become extinct without a fully enforced gillnet ban throughout their entire range.
Often caught and drowned in gillnets used by illegal fishing operations in marine protected areas within Mexico’s Gulf of California
Most rare marine mammal
On the edge of extinction
They will be extinct by as early as 2018 if fishery bycatch is not eliminated immediately
⅕ vaquita get entangled and drown in gillnets intended for other marine species like the totoaba
International trade in totoaba is banned under CITES but high demand from China for its swim bladder led to a corresponding boom in illegal totoaba fishing in the past few years
Relates to Taiji, high demand allws
Fishermen receive around $4000 for each pound of totoaba swim bladder, equivalent to half a year’s income from legal fishing activities
IT IS THE ILLEGAL TRADE THAT IS CURRENTLY DRIVING THE PRECIPITOUS DECLINE IN VAQUITA NUMBERS
How to prevent this?
WWF wants the Mexican government to strongly enforce a ban on gillnet fisheries throughout the entire range of the species starting in September of 2014
They also want the US and China to stamp out the illegal trade in totoaba products and provide enforcement support to the Mexican government
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