If you love shark fin soup – beware. You might be eating an endangered species.
A new report released today found that shark fin soup served in 14 American cities contains at risk species, including the scalloped hammerhead. The report was released by Stony Brook University and the Field Museum in Chicago — with support from the Pew Environment Group.
“The DNA testing again confirms that a wide variety of sharks are being killed for the fin trade, including seriously threatened species,” said Dr. Demian Chapman, who co-led the DNA testing at the Institute for Ocean Conservation Science at Stony Brook University in New York. “U.S. consumers of shark fin soup cannot be certain of what’s in their soup. They could be eating a species that is in serious trouble.”
The scientific team found that the 32 samples identified as sharks included smooth hammerheads, school sharks, and spiny dogfish, which are all listed as “vulnerable to extinction” and other “near threatened” species such as bull and copper sharks.
“This is further proof that shark fin soup here in the United States – not just in Asia – is contributing to the global decline of sharks,” said Liz Karan, manager of global shark conservation at the Pew Environment Group. “Sharks must be protected from overfishing and any international trade in these vulnerable and endangered species must be tightly regulated.”
Dr. Chapman’s research combines DNA-analysis with ecological data to better understand the population biology, evolution, and ecology of large marine vertebrates, particularly sharks and their relatives.
He worked with the Pritzker Laboratory at the Field Museum in Chicago to modify existing DNA-barcoding techniques to identify shark DNA fragments that had deteriorated in the fin treatment and cooking process.
The study represents the first time that shark fin soup has been tested in a large, nationwide manner.
Shark attack survivors who have become global advocates for conservation of their attackers helped collect some of the samples for the study.
The survivors, as well as the soup study, will be featured during Discovery’s show “Shark Fight” at 9 p.m. EDT Wednesday, Aug. 15.