Overview

Distribution

Range Description

This species has been recorded in Kenya, Tanzania, Malawi, Zambia, Mozambique and the Democratic Republic of the Congo. In Kenya, it is only known from the Kapiti plains, Taita Hills and south coastal Kenya. In Tanzania, it is known from south of Biharamulo in the northwest, throughout the Eastern Arc Mountains, and by a record from the Ufipa Plateau in southwestern Tanzania. It is widespread in Malawi, but has only been recorded from eastern Zambia. It is also present in northern Mozambique and the southeastern Democratic Republic of the Congo. Reports of this species from Zimbabwe are in error as it has not been recorded from south of the Zambezi River. It is found at elevations of up to 2,200 m asl.
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Physical Description

Type Information

Type for Heliophobius argenteocinereus
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Mammals
Sex/Stage: Female;
Preparation: Skin; Skull
Collector(s): J. Loring
Year Collected: 1909
Locality: Potha, Kapiti Plains, Kenya, Africa
  • Type:
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This is a subterranean species of open or wooded savanna, including Combretum-Brachystegium woodlands. It is present in a wide variety of habitats including rocky hillsides and submontane grasslands. The species uses a wide range of soil types from well-drained sandy soils to cotton soils that are very hard when dry and sticky and water-looged when it rains. It is a solitary species of which little is known about its biology.

Systems
  • Terrestrial
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Life History and Behavior

Life Expectancy

Lifespan, longevity, and ageing

Observations: Little is known about the longevity of these animals, and very few have been kept in captivity. Two males captured as adults in the wild were at least 7.5 years old when they died in captivity, but probably older. None of them showed signs of ageing (Radim Sumbera, pers. comm.). Therefore, the maximum longevity of this species is unknown.
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2008

Assessor/s
Maree, S. & Faulkes, C.

Reviewer/s
Amori, G. (Small Nonvolant Mammal Red List Authority) & Cox, N. (Global Mammal Assessment Team)

Justification
Listed as Least Concern in view of its wide distribution, and the ability to utilize a variety of habitat types. It is considered to be fairly common, and there are currently no major threats (though population monitoring is necessary to ensure populations remain stable considering that the species is hunted by humans for food).

History
  • 2004
    Least Concern
  • 1996
    Lower Risk/near threatened
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Population

Population
There is little information on the population abundance of this species. Population densities are known to be low on the Kapiti plains of Kenya, but the species occurs at higher densities in Malawi.

Population Trend
Stable
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Threats

Threats

Major Threats
There are no major threats to the species. It is considered to be an agricultural pest in some parts of its range, but it is also regarded as a common and excellent source of protein.
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Management

Conservation Actions

Conservation Actions
It occurs in several protected areas, including Nyika National Park (Malawi) and Kasunga National Park (Malawi).
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Wikipedia

Silvery mole rat

The silvery mole rat, silvery blesmol, or silky mole rat (Heliophobius argenteocinereus) is a species of mole rat that occurs in sandy soil of savannas and woodlands of southern Kenya, throughout Tanzania, and parts of southeastern Zaire to central Mozambique and Malawi. This species is solitary dwelling and aggressive.[2] Little else is known about its ecology or behavior. It is the only species of the genus Heliophobius.

References

  1. ^ Maree, S. & Faulkes, C. (2008). Heliophobius argenteocinereus. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 5 January 2009.
  2. ^ Bennett, Nigel C.; Chris G. Faulkes. (2000) African Mole-Rats: Ecology and Eusociality. Cambridge University Press. pp. 12. ISBN 0-521-77199-4
  • Bennett, N. C., C. G. Faulkes. 2000. African mole-rats: ecology and eusociality. Cambridge University Press, Cambridge, Massachusetts, USA. pp. 12


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