Overview

Distribution

Range Description

This species is widespread in South Africa, extreme southwestern Namibia, Lesotho and Swaziland. It ranges from sea level up to 3,400 m asl.
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This species is found in North Eastern South Africa, Northwest Swaziland, Southern Namibia and eastern Zimbabwe (Text from Minter et al., 2004, © SI/MAB Biodiversity Program).

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Physical Description

Morphology

Juvenile V. gariepensis in rocky habitats frequently show the bright colour patterns attributed to B. robinsoni (Text from Minter et al., 2004, © SI/MAB Biodiversity Program).

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Look Alikes

Comparisons

V. gariepensis is similar to B. robinsoni. B. robinsoni can be distigushied based on its orange back with green spots, poorly developed parotoid glands, weakly developed tarsal fold, small tympanum, relatively smooth skin, and relatively large eye (Branch and Braack 1995). V. gariepensis is found mainly along river banks while B. robinsoni is found in springs and temporary water sources (Text from Minter et al., 2004, © SI/MAB Biodiversity Program).

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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
It lives in many habitats, including fynbos heathland, succulent karoo, thicket, grassland, and Nama karoo. It breeds in many different types of permanent and temporary waterbodies, including streams, waterholes, lakes, rain pools, and even hoof prints. It is tolerant of low temperatures.

Systems
  • Terrestrial
  • Freshwater
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Habitat and Ecology

V. gariepensis inhabits the thick and Grassland Biomes. This species can survive in areas of low temperature and extrememly arid conditions, and has even been found moving in the snow (Text from Minter et al., 2004, © SI/MAB Biodiversity Program).

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Life History and Behavior

Reproduction

Advertisement Call

Males may call during daylight hours in overcast or rainy weather, as well as at night (Text from Minter et al., 2004, © SI/MAB Biodiversity Program).

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Channing (1998) states that V. gariepensis is an opportunistic breeder and is found breeding in many different water souces, including seepages and spongy bogs, as well as hoof prints of cattle and even small pools found under leaking taps. Most breeding takes place during the winter however if enough water is present summer breeding has been recorded (Text from Minter et al., 2004, © SI/MAB Biodiversity Program).

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Growth

Tadpole morphology

The tadpoles form a squirming mass and grow to a maximum length of 24 mm after only a few days. According to Lambiris (1988e), metamorphosis is usually completed after 20 days (Text from Minter et al., 2004, © SI/MAB Biodiversity Program).

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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
2013

Assessor/s
IUCN SSC Amphibian Specialist Group

Reviewer/s
Stuart, S.N.

Contributor/s
Channing, A., Minter, L. & Tandy, M.

Justification
Listed as Least Concern in view of its wide distribution, tolerance of a broad range of habitats and its presumed large population.

History
  • 2004
    Least Concern
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IUCN Red List Category and Justification of Conservation Status

Least concern: V. gariepensis has an extensive distribution range and is abundant, but some isolated populations may be speciating (Text from Minter et al., 2004, © SI/MAB Biodiversity Program).

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Population

Population
It is an abundant species.

Population Trend
Unknown
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Threats

Major Threats
It is an adaptable species that is unlikely to be threatened.
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Management

Conservation Actions

Conservation Actions
It occurs in many protected areas.
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Wikipedia

Karoo toad

The Karoo toad (Bufo gariepensis) is a species of toad in the Bufonidae family found in Lesotho, Namibia, South Africa, and Swaziland. Its natural habitats are dry savannas, subtropical or tropical dry shrublands, Mediterranean-type shrubby vegetation, subtropical or tropical dry lowland grasslands, subtropical or tropical high-altitude grasslands, rivers, intermittent rivers, freshwater lakes, intermittent freshwater lakes, freshwater marshes, intermittent freshwater marshes, arable land, pastureland, rural gardens, urban areas, ponds, and canals and ditches.[1]

References[edit]

  1. ^ Minter, L., Channing, A. &Tandy, M. 2004. Bufo gariepensis. 2006 IUCN Red List of Threatened Species. Downloaded on 21 July 2007.


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