A four-legged hero: Animal of the Year for hunting the carpet sea squirt

In a tale that blends natural science with everyday courage, a working dog has been crowned Animal of the Year for helping to curb a stubborn marine invader: the carpet sea squirt. This unlikely champion demonstrates how animal talent can support ecological defense and coastal livelihoods alike.

Meet the carpet sea squirt and why it matters

The carpet sea squirt is an invasive marine organism that forms dense, velvety mats over rocks, hulls, docks, and aquaculture gear. When these tunicates spread, they crowd out native species, alter habitat structure, and complicate ships’ maintenance and fishing operations. The infestation can hitch a ride on boats, gear, and even the hulls of vessels, making removal costly and time-consuming. In short, it’s the kind of marine trouble that ripple-effects through ecosystems and local economies.

What makes a dog the right answer?

Working dogs bring a blend of acute senses, training discipline, and real-time reliability that human teams can rely on in challenging environments. This canine’s handlers trained the dog to detect subtle cues associated with the presence of carpet sea squirt—whether on pylons, nets, anchor chains, or tucked into crevices along harbors and marinas. When the dog signals a find, divers and removal crews can act quickly, targeting patches before they spread further. It’s a containment strategy that reduces downtime, lowers ecological risk, and minimizes the use of heavy-handed mitigation tactics.

How the training and fieldwork unfold

The program centers on scent-based training, reinforced by field practice in real-world settings. The dog learns to distinguish the sea squirt’s scent profile from other marine organisms and harmless detritus, with rewards and gradual difficulty building reliability. In the field, the dog moves with a handler through harbors, aquaculture facilities, and waterfront infrastructure, indicating where removal teams should inspect and clean. This approach accelerates early detection, helps protect sensitive habitats, and makes the process more efficient for all stakeholders involved.

The broader impact: ecology, economy, and community

• Early detection slows the spread of invasive mats, preserving native biodiversity and coastal resilience.
• Targeted removal reduces ecological disturbance and minimizes downtime for local fisheries and tourism operations.
• Lower environmental risk by avoiding blunt chemical controls in sensitive marine zones.
• Public engagement and education opportunities rise as communities witness a practical, compassionate approach to stewardship.

Why this resonates with innovators and entrepreneurs

Animal-of-the-year stories spotlight how cross-disciplinary collaboration can spark practical innovations. For entrepreneurs, there’s potential in seed programs that pair canine detection with beach-adjacent services, data sharing, and training curricula. Local startups can explore offerings such as habitat-monitoring networks, rapid response teams for invasive species, and educational programs that turn citizen science into community-owned protection plans. In Marine-focused ventures, a detection-dog program can become a scalable model—demonstrating how purpose-driven teams transform environmental challenges into business-ready opportunities.

A note for the future

The celebration of this dog’s work is a reminder that protecting marine ecosystems often starts with keen observation, dedicated training, and a collaborative mindset. By recognizing and supporting canine-assisted detection programs, communities reinforce a practical path to healthier shores and thriving coastal economies. As tides shift, this four-legged champion stands as a testament to what can be achieved when science, service, and society work side by side.

Thomas Prendergast (clone)
By his direction