Bid to save endangered porpoise
Print Edition
MEXICAN authorities and scientists are scrambling to save the world’s smallest porpoise, the vaquita marina, from extinction, capturing illegal “ghost” fishing nets while hoping to make specimens reproduce in captivity.
The environment ministry said on Thursday that the navy, conservation groups and fishermen removed 103 nets between October 10 and December 7 in the upper Gulf of California.
The vaquita’s population has dropped under 60 despite the government’s deployment of navy ships in April 2015 to prevent illegal fishing with nets that accidentally ensnare the porpoise.
Three drones joined the campaign in July, armed with high-resolution cameras to spot illegal activities in the Gulf area also known as the Sea of Cortez.
The vaquita has died in gillnets used to illegally catch a large fish known as the totoaba, which is also endangered.
Fishermen capture the totoaba for its swim bladder, which is dried and sold to smugglers, who then ship them to China, where it can sell for thousands of dollars on the black market and is eaten in soup.
Of the 103 nets removed during 21 days, 24 were between 80 and 500 meters long and meant to catch totoaba, shark and other fish.
A local fishing organization, the World Wildlife Fund, the Sea Shepherd Conservation Society and the navy helped to remove ghost nets in an area covering 11,814 square kilometers.
“The goal of this ambitious program, which the authorities plan to continue in an uninterrupted manner, is to eliminate abandoned fishing nets and prevent the vaquita marina from being accidentally trapped in them,” the ministry said.
The porpoise’s population dropped from 200 in 2012 to below 100 in 2014 and some 60 in late 2015, according to the International Committee for the Recovery of the Vaquita, a global group of scientists.
At this pace, conservationists fear that the vaquita will be extinct by 2022.
In the spring CIRVA and the government will try to capture the elusive and shy vaquitas to make them reproduce in captivity in the Gulf.
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