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Dugong (Dugong dugon)

Mammals · Sirenia · Dugongidae

Dugong

Dugong dugon

Vulnerable

At high risk of extinction in the wild over the medium term.

Spotted something wrong?

It is the only surviving member of the family Dugongidae — its close relative, Steller's sea cow, was hunted to extinction by humans within just 27 years of its scientific discovery in 1741.

Weight

up to 1 t

Size

up to 3 m

Life expectancy

70 years

Diet

Herbivore

Feeds mainly on plants.

Activity

Irregular activity

Active at irregular times, by day or night depending on circumstances.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Sighting difficulty

Moderate

Ocean
46countries16parks41dive sites1same family2featured routes

AI-generated images: illustrations, not photographs.

Fun facts

  • Its intensive grazing on seagrass meadows can consume up to 15% of its body weight in vegetation a day.
  • It feeds almost exclusively on seagrasses (marine flowering plants).
  • It lives in warm, shallow coastal seagrass meadows of the Indo-Pacific.
  • fisiologíaIt grazes almost exclusively on seagrass meadows and can consume up to 10% of its body weight in vegetation each day.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (mammal)
Habitat and environment
Warm, shallow coastal seagrass meadows of the Indo-Pacific
Birth weight
20-30 kg and 1-1.2 m long at birth
Size at birth
20-30 kg and 1-1.2 m at birth
Sexual maturity
9.5 years
Gestation / incubation
13-15 months
Litter / clutch size
1 calf per birth (twins documented in captivity), with several years between births

Sources consulted: A-Z Animals; JRank Sea Cows Dugongs Manatees; Ocean Info; Menjelajahi Perbedaan (traducido)

Where to find it

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Where to see it

Parks and dive sites where this species has been documented — showing 20 of 57.

Related species

Other species in the catalogue with the most in common with Dugong — same habitat, park, country, tags or family.

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How to help

The dugong is classified as vulnerable. Organisations such as the IUCN, WWF and the Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programmes is a good starting point if you want to get involved.

It's documented in 13 protected areas — one reason why protecting these places matters for its conservation.

Related guides

Keep exploring

Based on what we already know about dugong.

Comments

Share an experience, a fun fact or a tip for seeing the dugong.

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See full glossary
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The pins mark the parks and dive sites where its presence is documented.

See its range on the interactive map→
KomodoIndonesia
Ras MohammedEgypt
Great Barrier ReefAustralia
K'gari (Fraser Island)Australia
NingalooAustralia
Shark BayAustralia
Rock Islands of PalauPalau
Vatthe (Loru)Vanuatu
Lagoons of New CaledoniaNew Caledonia
Mohéli Marine National ParkComoros
Raja AmpatIndonesia
Komodo National ParkIndonesia
Wakatobi National ParkIndonesia
Coron Bay (wrecks)Philippines
Blue CornerPalau
Andaman Islands (Havelock)India
Ningaloo ReefAustralia
Rowley ShoalsAustralia
SS President CoolidgeVanuatu
Prony BayNew Caledonia
See all 16 parks
See all 41 dive sites
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Where to dive with Dugong33 places
CountriesIndonesia
ParksKomodoIndonesia
TagsHerbivore
Herbivore
Variable activity
Solitary
Vulnerable
Ocean
Mammal

Asia25

Africa15

Oceania6

Indonesia
Australia
Egypt
Mozambique
Vanuatu
New Caledonia
Bahrain
Bangladesh
Brunei
India
Indonesia
Iran
Iraq
Israel
Jordan
Kuwait
Malaysia
Maldives
Myanmar
Oman
Pakistan
Philippines
Qatar
Saudi Arabia
Singapore
Sri Lanka
Thailand
Timor-Leste
United Arab Emirates
Vietnam
Yemen
Comoros
Djibouti
Egypt
Eritrea
Kenya
Madagascar
Mauritius
Mayotte
Mozambique
Réunion
Seychelles
Somalia
South Africa
Sudan
Tanzania
Australia
New Caledonia
Palau
Papua New Guinea
Solomon Islands
Vanuatu