Squid fisheries are booming worldwide, but most consumers have no idea what they are actually eating.

In this episode, marine biologist and Oceana policy advisor Marine Cusa breaks down how seafood labeling gaps are hiding critical information about squid species, origins, and fishing practices. Using DNA testing, her team uncovered that many squid products come from distant, high-risk fisheries, often without any transparency for consumers.

We explore how traceability failures, unregulated fishing, and complex global supply chains make squid one of the hardest seafood products to track. You will also learn how some fisheries are linked to illegal fishing and poor labor conditions, and why current labeling laws in North America and Europe are not enough.

If you care about sustainable seafood, ocean conservation, and making informed choices, this episode will change the way you look at calamari forever.

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Seafood mislabeling is more common than most people realize, and squid might be one of the biggest examples. When you order calamari, you are rarely told which species you are actually eating. With more than 300 squid species in the ocean, and most products labeled simply as “squid,” consumers are left with almost no information about the origin, sustainability, or even the species on their plate.

Squid fisheries are growing rapidly across the globe, but they are also some of the hardest to track. Squid is often caught on the high seas, processed in multiple countries, and sold in forms like rings or frozen mixes that remove all identifying features. This creates major gaps in traceability and opens the door to mislabeling, illegal fishing, and supply chain confusion.

Ocean conservation depends on transparency, and squid shows exactly where the system breaks down. In this episode, we break down why squid is so difficult to trace and what that means for seafood sustainability. Tomorrow, we continue the conversation with marine scientist Marine Cusa, who studies seafood traceability and global squid fisheries.

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Seafood is one of the most globalized food systems in the world, but that complexity comes at a cost: traceability.

In this episode of How to Protect the Ocean, we break down why it is so difficult to track seafood from the moment it is caught to the moment it reaches your plate. With supply chains spanning multiple countries, processing steps that remove identifying features, and practices like transshipment happening far from oversight, even well-intentioned systems struggle to keep up.

We explore how seafood moves through a complex network of fishing vessels, cargo ships, processing plants, and distributors, and why information is often lost along the way. You will also learn about the tools scientists and regulators are developing to solve this problem, including DNA barcoding, satellite monitoring, and digital catch documentation systems.

If you have ever wondered whether the seafood you are eating is what it claims to be, this episode will give you the clarity you need to understand the system and its challenges.