Hydrodamalis gigas

– Extinct

Taxonomy

Kingdom:

ANIMALIA

Phylum:

CHORDATA

Class:

MAMMALIA

Order:

SIRENIA

Family:

DUGONGIDAE

Scientific Name:

Hydrodamalis gigas

Species Authority:

(Zimmermann, 1780)

Common Name/s:

English

—

STELLER'S SEA COW

Assessment Information

Red List Category & Criteria:

EX ver 2.3 (1994)

Year Assessed:

1996

Annotations:

Needs updating

Assessor/s:

World Conservation Monitoring Centre

Justification:

The last population of Steller's Sea Cow was discovered by a Russian expedition on Bering Island (Ostrov Beringa) in 1741. The genus is thought to have become extinct by 1768.

History:

1965	-	"Status inadequately known-survey required or data sought" as H. stelleri (Scott 1965)
1986	-	Extinct (IUCN Conservation Monitoring Centre 1986)
1988	-	Extinct (IUCN Conservation Monitoring Centre 1988)
1990	-	Extinct (IUCN 1990)
1994	-	Extinct (Groombridge 1994)

Geographic Range

Range Description:	Hydrodamalis gigas was known from the Bering Sea. The last population was discovered by a Russian expedition on Bering Island in 1741.
Countries:	Regionally extinct: Russian Federation; United States

Population

Population:

The genus was probably extinct by 1768.

Habitat and Ecology

System:

Marine

Threats

Threats:

Hydromalis was slaughtered for its meat and leather.

Bibliography

Bibliography:

Groombridge, B. (ed.) 1994. 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland.

IUCN Conservation Monitoring Centre. 1986. 1986 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN Conservation Monitoring Centre. 1988. 1988 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN. 1990. 1990 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

Nowak, R.M. (ed.) 1999. Walkers Mammals of the World. Sixth edition. The Johns Hopkins University Press, Baltimore and London.

Scott, P. (ed.) 1965. Section XIII. Preliminary List of Rare Mammals and Birds. In: The Launching of a New Ark, pp. 15–207. First Report of the President and Trustees of the World Wildlife Fund. An International Foundation for saving the world's wildlife and wild places 1961–1964. Collins, London.

Citation:	World Conservation Monitoring Centre 1996. Hydrodamalis gigas. In: IUCN 2007. 2007 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 20 July 2008.
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