Dhofar toad (Bufo dhufarensis)

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Dhofar toad
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Dhofar toad fact file

Dhofar toad description

KingdomAnimalia
PhylumChordata
ClassAmphibia
OrderAnura
FamilyBufonidae
GenusBufo (1)

The Dhofar toad is one of only two amphibians in the United Arab Emirates, and, incredibly, one of just nine in the whole of the Arabian Peninsula (2) (3) (4). Exhibiting considerable variation in colour and pattern, the body of this relatively small Bufo can range from green to tan to brown, and be either mottled or uniform (2) (4). Distinctive features of this species include large, prominent eardrums positioned immediately behind the protruding eyes, and a distinctive staccato “kra-kra-kra” breeding call (2) (3) (4).

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Dhofar toad biology

In common with anurans from arid environments elsewhere, the Dhofar toad has the ability to aestivate underground during periods of drought. Remarkably, it can remain in this state of dormancy for as long as three years at a time (2) (4). Following heavy downpours, it emerges to seek food and potentially mate. Like other frogs and toads, it catches prey by means of a sticky, prehensile tongue, with a variety of insects being the primary target (3) (4).

Although the Dhofar toad is thought to be primarily nocturnal, there is evidence to suggest that, during favourable conditions, this opportunistic breeder may be active both day and night (4). Breeding occurs year round, with the females laying large numbers of black eggs on pearl-like strings. In the most extreme environments, where standing water is in short supply, tadpoles must develop rapidly, whilst adults may only be active for very short periods after rain (2).

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Dhofar toad range

The Dhofar toad occurs throughout much of the southern Arabian Peninsula, including Oman, Saudi Arabia, the United Arab Emirates and Yemen, as well as on the Farasan Islands and several other offshore islands (1) (2) (4).

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Dhofar toad habitat

Found wherever there are water sources, including gardens, oases, springs, canals and small rivers, but this arid environment specialist is also frequently found some distance from permanent water bodies (1) (4).

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Dhofar toad status

Classified as Least Concern (LC) on the IUCN Red List (1).

IUCN Red List species status – Least Concern

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Dhofar toad threats

Although amphibian numbers are generally in decline worldwide (2), there are not currently known to be any major threats to the Dhofar toad (1).

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Dhofar toad conservation

While there are no specific conservation measures in place, the Dhofar toad is known to be present within the Jebel Samhan Nature Reserve in Oman (1). Given current concerns over the state of amphibian populations worldwide, further research into the ecology and population dynamics of this species could prove of important value to its conservation in the future (2).

View information on this species at the UNEP World Conservation Monitoring Centre.
Environment Agency - Abu Dhabi is a principal sponsor of ARKive. EAD is working to protect and conserve the environment as well as promoting sustainable development in the Emirate of Abu Dhabi.
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Authentication

This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact: arkive@wildscreen.org.uk
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Glossary

Aestivate
To enter a period of dormancy occurring in hot, dry periods, analogous to hibernation in winter.
Anurans
An amphibian order comprising all frogs and toads.
Nocturnal
Active at night.
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References

  1. IUCN Red List (March, 2009)
    http://www.iucnredlist.org
  2. Hellyer, P. and Aspinall, S. (2005) The Emirates: A Natural History. Trident Press Limited, United Arab Emirates.
  3. Vine, P. and Al-Abed, I. (1997) Natural Emirates: Wildlife and Environment of the United Arab Emirates. Trident Press Ltd, London.
  4. Cunningham, P. and Feulner, G.R. (2001) Notes on the distribution and ecology of the Dhofar Toad, Bufo dhufarensis Parker, 1931, in the Musandam Peninsula (Sultanate of Oman). Tribulus, 11(2): 9 - 13.
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Image credit

Dhofar toad  
Dhofar toad

© Hippocampus Bildarchiv

Frank Teigler
Hippocampus Bildarchiv
http://www.Hippocampus-Bildarchiv.de

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