Mammalia |
Sirenia |
Dugongidae
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
Bentopelagisk; djupintervall 0 - 200 m (Ref. 81173), usually 1 - 40 m. Tropical; 30°N - 37°S, 32°E - 178°W
Indo-Pacific: Dugong dugon hemprichii: Red Sea, Aqaba, Suez Canal; Dugong dugon dugon: Gulf of Aden, Mozambique, Persian Gulf, Pakistan, India, Myanmar, Malay Peninsula, Gulf of Thailand, Vietnam, Gulf of Tonkin, Comoros, Madagascar, Mauritius, Rodriguez, Sri Lanka, Andaman Islands, Indonesia, Ryukyu, Taiwan, Philippines, Guam, Palau, Micronesia, Caroline Is, Papua New Guinea, Solomon, New Caledonia, Australia, Fiji (Ref. 1522).
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm Max length : 406 cm TL hane/ej könsbestämd; (Ref. 91927); publicerad maxvikt: 400.0 kg (Ref. 1394); rapporterad maxålder: 20 år (Ref. 91927)
Maximum diving depth of 20.5 m recorded from Australia (Ref. 81173). Found in inshore waters, in bays and channels (Ref. 1394). Favors areas with warm shallow water, inshore and reefal seagrass beds (Ref. 936), particularly on fine sand (Ref. 86921). Occurs in small groups of up to 6 individuals; though, an exception of a herd of to 600 individuals was once recorded between Bahrain and Qatar (Ref. 801). Population estimates in the Persian/Arabian Gulf range from 5800 to 7300 individuals. Has a larger range than previously known, where their present range may be about 74% of the historical range (Ref. 114880). Feeds on a variety of seagrasses (Ref. 936). Almost entirely dependent on seagrass for food (Ref. 114880). Preyed upon by tiger sharks (Ref. 49538). Faces threats in the Persian/Arabian Gulf such as dredging, trawling and land reclamation, all damaging their critical seagrass habitats (Ref. 114880).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Tan, J.M.L. 1995 A Field Guide to the Whales and Dolphins in the Philippines. Makati City: Bookmark. 125 p. (Ref. 936)
Status på IUCN:s rödlista
(Ref. 130435: Version 2025-2 (Global))
CITES-status (Ref. 108899)
Hot mot människor
Mänskliga användningsområden
Fiskeri: saknar intresse
FAO - fiskeri: artprofil; Publication: search | FishSource | Havet omkring oss
Verktyg
Ytterligare information
MänniskorelateradFrimärken, mynt, diverse.
Internet-källor
Uppskattningar baserade på modeller
Resiliens
(Ref. 69278): |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (K=1.26-1.62; tm=12.3; tmax=20) |
Sårbarhet i fisket
(Ref. 71543) |
High vulnerability (59 of 100). |
Priskategori
(Ref. 80766): |
Unknown. |
