Dugong
Also known as: Dugong dugon (scientific name) · Sea cow · Duyong (local name in some Philippine languages)
Definition
The Dugong (Dugong dugon), sometimes called the sea cow, is a large, fully marine herbivorous mammal that grazes on seagrass meadows in warm coastal waters of the Indo-Pacific, including the Philippines. Growing up to three meters and several hundred kilograms, it surfaces to breathe and calves its young in shallow bays. Philippine populations, historically hunted, have shrunk to scattered strongholds such as Palawan, Quezon province, and the southern Mindanao coasts, and the species is protected as a nationally threatened species. (Wikipedia)
Identities
| Source Type | Identity |
|---|---|
| Wikipedia | Dugong |
| Wikidata | Q129544 |
| DBpedia | N/A |
| ProductOntology | N/A |
| Wiktionary | dugong |
| Library of Congress Subject Headings (LCSH) | Dugong |
| MeSH | N/A |
| NCBI Taxonomy | Dugong dugon |
| AGROVOC | N/A |
| Google Scholar | Dugong dugon Philippines seagrass conservation strandings |
| ConceptNet | mammal |
| OpenCyc | N/A |
Also Known As
- Dugong dugon (scientific name)
- Sea cow
- Duyong (local name in some Philippine languages)
Examples and Analogy
- The Lawnmower of the Sea: A dugong cropping seagrass like a grazing cow keeps meadows productive; where dugongs disappear, overgrown seagrass beds often decline, showing how one grazer tends an entire habitat.
- A Relative of the Elephant: Despite looking like a plump dolphin, the dugong’s closest living land relatives are elephants, a surprising family tree revealed by anatomy and genetics.
Usage Scenarios
1. Seagrass Sanctuary Management
Coastal municipalities designate seagrass protection zones where dugongs feed, regulating anchoring and coastal construction that smother meadows.
2. Stranding Response
Marine mammal rescue networks attend dugongs entangled in fishing nets or stranded by typhoons, rehabilitating and releasing animals while recording data for research.
Strategies
- Protect seagrass beds as core habitat, since dugong survival depends on meadow extent more than on any other factor.
- Convert destructive fishing practices near feeding areas and enforce bans on incidental capture and hunting.
- Run community reporting hotlines so fishers quickly alert authorities to dugong sightings and entanglements.
Security and Safety Measures
- Hunting, killing, collecting, or trading dugongs is prohibited under Philippine wildlife law, with heavy penalties.
- Boat operators in dugong areas should observe speed limits and distance rules to prevent propeller strikes.
- Entangled animals should not be handled by untrained persons; rescue must be coordinated with the Bureau of Fisheries and Aquatic Resources or DENR teams.
Historical Context
Dugongs figures prominently in Filipino coastal folklore and were hunted for meat and oil into the twentieth century. Formal protection arrived through fisheries administrative orders and Republic Act No. 9147, and the Philippines joined regional dugong conservation agreements. Systematic surveys from the 1990s onward mapped remaining herds, with Palawan’s waters confirmed as the nation’s most important refuge.
Challenges and Controversies
Bycatch and Entanglement
Accidental capture in fishing nets remains a leading killer of Philippine dugongs, pitting livelihood concerns against conservation enforcement.
Coastal Development
Reclamation, ports, and pollution around seagrass meadows shrink habitat, and environmental impact assessments for coastal projects are frequently contested by conservation groups.
Related Topic
Butanding