https://www.one-earth.it/wp-content/uploads/2025/06/net-releasing-fish-in-the-fishing-boat-1080x675.jpg

The sea is like a minefield: How illegal fish traps threaten Italy’s Mediterranean

In the clear, azure waters of the Mediterranean Sea along Italy’s shoreline, an unseen danger lurks just below the waves. Fishermen, environmental advocates, and officials are becoming more concerned about the rising number of illicit fishing traps—some extending for kilometers and remaining unnoticed until damage is done. These unauthorized and often hazardously built devices pose significant threats not just to marine ecosystems but also to legitimate fishing activities, maritime safety, and global conservation initiatives.

Described by local fishermen as “invisible dangers,” these traps are likened to marine minefields due to their hazardous and entangling design. Made from plastic, mesh, rope, and concrete, many of these devices are dropped deep into the sea and anchored to the seabed. They’re rarely marked properly, making them nearly impossible to spot from the surface. This allows them to operate for long periods undisturbed, indiscriminately catching fish, damaging delicate habitats, and even endangering boats and divers.

The Italian Mediterranean, renowned for its rich biodiversity and historic fishing traditions, is progressively becoming a casualty of this covert economy of unregulated and unchecked fishing practices. The traps—prohibited by both Italian and European Union regulations—are indicative of a broader issue of overfishing in one of the globe’s most environmentally vulnerable seas. These traps mainly aim at high-value species like sea bream, grouper, and lobster, all of which are facing challenges due to dwindling populations and climate change. The extensive deployment of illegal fishing equipment only exacerbates this ecological burden.

Based on assessments from maritime authorities and environmental organizations, the extent of the issue is overwhelming. It is thought that thousands of these traps are operational in the coastal waters of Italy at any moment, particularly within well-known fishing routes and protected marine areas. Extracting them is expensive, labor-intensive, and risky. Numerous traps are crafted to be challenging to recover—some are even rigged with traps to hinder their removal. For the officials responsible for eliminating them, every mission necessitates substantial planning and resources, frequently involving assistance from divers and sea patrols.

For fishermen operating legally, the impacts are both financial and ecological. Crews with valid fishing licenses frequently encounter net damage, decreased fish hauls, and unfair competition from illegal fishers who catch significant amounts of fish without considering size, timing, or limits. In a sector already grappling with increasing fuel expenses and diminishing profits, these unlawful actions further undermine incomes and confidence in regulatory measures.

The impacts stretch beyond the realm of fisheries. Environmentalists caution that unlawful fishing traps jeopardize attempts to reestablish equilibrium in marine ecosystems already strained by years of human activity. Designated protected areas, established to promote species revival and habitat recovery, are not exempt. Traps are frequently discovered within no-fishing areas, compromising years of success in biodiversity conservation and endangering vulnerable species even more.

Those gadgets are especially dangerous as they do not differentiate. Besides the intended species, the traps frequently capture sea turtles, dolphins, and various other non-commercial creatures, many of which perish before the traps are retrieved. This unintentional catch contributes to the wider problem of marine biodiversity decline in the Mediterranean, one of the most overexploited areas globally.

Though there are laws designed to stop these actions, implementing them is still a significant issue. Italy’s extensive shores, along with insufficient surveillance capabilities at sea, make it challenging to oversee and stop unlawful actions. Criminal organizations commonly exploit nighttime and GPS technology to set their traps in inaccessible or restricted zones. Although authorities have made some arrests, the secretive nature of these activities allows many perpetrators to continue their operations with relative freedom.

Advances in technology could provide a glimmer of hope. Government bodies and environmental groups are now employing drones, sonar technology, and satellite monitoring to locate fish traps and pinpoint areas of unlawful activities. Platforms for citizen reporting have also been set up, enabling local fishermen and divers to notify authorities if they come across dubious equipment. These initiatives are enhancing the effectiveness of detection, yet the vast number of traps and the rapid pace at which they can be set up continue to pose significant challenges.

The Italian government, in cooperation with EU marine policy bodies, has pledged to intensify crackdowns on illegal fishing operations. Increased fines, vessel confiscations, and coordinated surveillance programs are part of a broader initiative to protect marine resources and ensure sustainable use of the sea. However, long-term success will depend on continued investment in enforcement and international cooperation, especially given the transboundary nature of Mediterranean waters.

Public awareness also plays a critical role. Many of these traps are sold and distributed through informal networks, and some fish caught illegally may end up in markets and restaurants without consumers knowing. Strengthening traceability in seafood supply chains is a key priority for ensuring that fish on the table has been caught legally and sustainably.

Increasing backing exists for engaging local fishing communities in tackling unlawful practices. Programs focused on community observation, enhanced access to licenses, and educational initiatives can enable small-scale fishers to take on roles as guardians of marine resources. By providing them a larger role in sustainable fishing and preservation, authorities aim to lessen the motivation for illegal activities and encourage enduring ecosystem well-being.

Ultimately, the proliferation of illegal fish traps in Italy’s Mediterranean waters is not just an environmental issue—it’s a reflection of broader challenges around regulation, enforcement, and sustainable development. The sea, once a source of identity and abundance, is becoming increasingly contested, and the need for action is urgent.

If ignored, the silent spread of illegal gear threatens not only the future of fishing in the region but the overall health of Mediterranean ecosystems. Addressing this hidden crisis requires a coordinated effort across government agencies, local communities, and international partners. Only then can the waters of Italy’s coasts be freed from this invisible web—and restored to a more balanced, thriving state.

By Roger W. Watson

You May Also Like