Pet owners may unknowingly feed their pets meat from endangered shark species. This is what emerges from a new study published in Frontiers in Marine Science. Researchers at Yale-NUS College in Singapore used the DNA barcode to investigate the presence of sharks in various pet food products purchased in Singapore, which revealed a notable prevalence of ingredient mislabeling. They suggested implementing global standards for pet food labels to avoid over-exploitation of endangered sharks.
Sharks are critical to the functioning of healthy marine ecosystems. As apex predators, they are at the top of the ocean food chain. The growing trade in shark meat and fins is putting shark populations at risk. Research has estimated that around 100 million sharks are killed each year.
Overfishing is the greatest threat to sharks worldwide, and the lack of effective monitoring and management of fishing practices increases the risk to vulnerable shark species.
Shark populations are overfished around the world, with a documented decline of more than 70% over the past 50 years. This is indicative of the current disrespect in which we hold our oceans, ”said authors, Ben Wainwright and Ian French, of Yale-NUS College.
“Most pet owners are likely nature lovers and we think most would be alarmed to find that they may unknowingly contribute to the overfishing of shark populations.”
Greater accountability is needed across all seafood supply chains for pet and human food, which would mitigate unsustainable fishing and resource use incompatible with the survival of shark populations.
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