Illegal Dugong Poaching: Headless Dugong Found in Phangnga Sparks Investigation

Thailand's Marine and Coastal Resources Department is investigating the discovery of a headless adult male dugong found tethered to an underwater rock off Koh Yao Noi, Phangnga Province—a case that exposes the persistent black-market trade in dugong tusks, believed by some to possess mystical properties.

Why This Matters

• Legal consequences are severe: Beheading a protected dugong carries penalties of up to 15 years in prison or a ฿1.5M fine, yet enforcement remains elusive.

• Population crisis deepens: Dugong deaths have risen significantly in recent years, with approximately 35–42 recorded annually, outpacing the estimated birth rate—a concerning trend that threatens the long-term viability of Thailand's dugong population.

• Superstition drives poaching: Despite dying from natural illness, this dugong's head was severed post-mortem—marking the 9th such case since 2023—to harvest tusks sold as amulets on encrypted platforms.

• Ecosystem ripple effects: Degraded seagrass habitats, the dugong's sole food source, are collapsing under coastal development and climate stress, threatening fishing communities reliant on these marine nurseries.

The Discovery and Timeline

On April 9, 2026, a fishing crew reported the carcass floating in Lo Mun Bay, Tambon Koh Yao Noi. The Thailand Marine and Coastal Resources Research Center (Upper Andaman) conducted a necropsy and determined:

• Cause of death: Chronic enteritis and intestinal adhesions causing prolonged starvation—not fishing gear entanglement, drowning, or deliberate killing.

• Body condition: Severely emaciated; stomach contained mostly water and minimal seagrass.

• Time of death: Approximately April 6, three days before discovery.

• Decapitation: A sharp blade was used within 24 hours after death. A deep cut was also found on the right chest. Rope bound the tail to a submerged boulder, suggesting the carcass was anchored to facilitate removal of the head.

Forensic analysis ruled out drowning and suggests the body drifted from the eastern shore of Phang Nga Bay or as far as Krabi Province before washing ashore, though some local sources believe decapitation occurred elsewhere and the carcass was moved. No arrests have been made as of publication.

What Residents and Visitors Should Know

• Report sightings immediately: Call the Marine and Coastal Resources hotline (1362) if you encounter a stranded or injured dugong. Do not touch the animal or attempt to move it.

• Avoid anchoring in seagrass: Boat operators should use mooring buoys or sandy patches to prevent propeller scarring.

• Refuse to buy wildlife products: Purchasing tusks, shells, or other marine-animal parts is a criminal offense and perpetuates demand.

• Support grassroots patrols: Volunteer networks in Trang, Krabi, and Phangnga welcome trained observers for weekend monitoring shifts.

What This Means for Coastal Communities

For fisherfolk, tour operators, and provincial officials in Phangnga, this incident is both a conservation alarm and an economic warning. Seagrass meadows—critical feeding grounds for dugongs—support juvenile fish stocks that sustain the local catch. Their degradation correlates directly with declining marine productivity. Meanwhile, persistent poaching undermines Thailand's reputation in international marine-conservation circles and invites scrutiny from trading partners sensitive to wildlife-crime records.

Natural Resources and Environment Minister Suchart Chomklin has ordered the Marine and Coastal Resources Department to accelerate the investigation and coordinate with Koh Yao Police Station, which formally accepted the case on April 9. A deputy permanent secretary was scheduled to visit the site to liaise with district authorities and gather additional forensic evidence.

Penalties under the Wildlife Reservation and Protection Act B.E. 2562 (2019) are explicit: intentional harm to a protected species carries a maximum sentence of 15 years or a fine of ฿1.5M, or both. The trade in dugong tusks persists on encrypted platforms and social media groups, where a single tusk can command tens of thousands of baht.

The Broader Crisis: Rising Mortality and Habitat Collapse

This beheading reflects a wider emergency. Since 2023, multiple dugong strandings have been recorded along Thailand's coast, with several animals found decapitated or missing tusks. The underlying drivers are environmental. Seagrass beds along the Andaman coast and in Trang's Chao Mai Marine National Park are shrinking due to:

Rising sea temperatures that stress photosynthetic capacity.

Sedimentation from dredging and coastal construction.

Nutrient runoff from shrimp farms and agriculture.

Plastic ingestion, which fills stomachs and causes malnutrition.

Dugongs are obligate seagrass herbivores, consuming up to 40 kilograms per day. When meadows thin, individuals starve slowly—precisely the chronic enteritis pattern observed in the Koh Yao carcass.

Government Response: Surveillance, Community Patrols, and Legal Enforcement

Minister Suchart has outlined a four-point urgent action plan:

Expanded drone surveillance and citizen-science monitoring to map dugong movements in real time.

Rotating patrol schedules in seagrass zones, coordinated with the Royal Thai Police's Natural Resources and Environmental Crime Division.

Community education campaigns targeting fishing villages to debunk the amulet myth and highlight the legal risks.

Review of protected-area designations, with consideration of new conservation zones in high-traffic corridors.

The ministry is also accelerating seagrass restoration projects, including experimental nurseries in abandoned shrimp ponds and transplantation trials in degraded shallows. Early results show modest recovery in pilot sites, but scaling to the thousands of hectares needed will require sustained funding and political will.

The Amulet Trade: Superstition Meets Organized Crime

Investigators believe the beheading was motivated by demand for dugong tusks, small ivory-like protrusions that emerge in adult males. Folklore assigns them protective and luck-bringing powers, fueling underground sales on social media and encrypted messaging platforms. Prices reportedly range from ฿30,000 to ฿100,000 per tusk, depending on size and perceived spiritual value.

Marine biologists emphasize that tusks hold no medicinal or mystical properties—they are simply modified incisor teeth. Yet the myth endures, particularly among gamblers, sailors, and small-business owners seeking charms. Authorities say the trade has evolved: rather than open-market stalls, transactions now occur via encrypted messaging apps and private Facebook groups, complicating enforcement.

Impact on Thailand's Marine Biodiversity Commitments

Thailand is a signatory to the Convention on International Trade in Endangered Species (CITES), which lists dugongs under Appendix I, prohibiting all commercial trade. Repeated poaching incidents risk triggering trade sanctions or heightened scrutiny of Thai seafood exports, particularly to the European Union, which has previously flagged illegal, unreported, and unregulated fishing practices.

Beyond dugongs, the ministry recently proposed adding Bryde's whales, Omura's whales, and Risso's dolphins to the protected-species roster, underscoring the government's sensitivity to international conservation standards. The "Conserve Thai Seas" initiative, supported by Princess Sirivannavari Nariratana, emphasizes coral restoration, marine-mammal protection, and public engagement—efforts that could be undermined by high-profile poaching cases.

For now, the headless dugong of Koh Yao Noi remains a symbol of the tension between traditional belief and modern conservation law—a clash that authorities hope can be resolved through education, enforcement, and the slow restoration of Thailand's vanishing seagrass meadows.