Mantella milotympanum 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Anura Mantellidae

Scientific Name: Mantella milotympanum Staniszewski, 1996
Common Name(s):
English Black-eared Mantella, Black-eared Golden Mantella
Mantella aurantiaca ssp. milotympanum Staniszewski, 1996
Taxonomic Source(s): Frost, D.R. 2015. Amphibian Species of the World: an Online Reference. Version 6.0. New York, USA. Available at:
Taxonomic Notes: This species and Mantella crocea might represent colour variants of the same species (M. Vences and F. Glaw pers. comm. August 2016, Chiari et al. 2004). Subpopulations with intermediate characteristics between M. crocea and M. milotympanum have been recorded from north of Fierenana, Andriabe, Savakoanina and the Zahamena reserve (Chiari et al. 2004).

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2017
Date Assessed: 2016-12-09
Assessor(s): IUCN SSC Amphibian Specialist Group
Reviewer(s): Luedtke, J.
Contributor(s): Edmonds, D., Glaw, F., Scherz, M.D., Vences, M. & Nussbaum, R.
Facilitator/Compiler(s): Hobin, L.
Listed as Critically Endangered because its extent of occurrence (EOO) is 78 km2, area of occupancy (AOO) is less than 10 km2, it occurs in one threat-defined location, and there is ongoing decline in the extent and quality of its habitat.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species was previously only known from several fragmented localities in east-central Madagascar covering a small area south of Fierenana. It is now known to occur at localities southeast of Fierenana, along the Ivohitra river and around Ranomainty, between 887–1,079 m Asl (Razafimahatratra et al. 2009). The EOO of this range is 78 km2. and the AOO is estimated to be less than 10 km2.

There are additional records of cf. milotypanum that could expand the range slightly (M. Vences pers. comm. August 2016), but these are not included within this assessment due to the uncertainty around their identity.
Countries occurrence:
Additional data:
Estimated area of occupancy (AOO) - km2:9
Number of Locations:1
Lower elevation limit (metres):889
Upper elevation limit (metres):1000
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:It is a locally common species and has been observed at high densities. Due to ongoing decline in the extent and quality of habitat, the population is suspected to be decreasing.
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:It is a terrestrial species living in gallery forest around large swamps, and in seasonally flooded forest, but is not found outside forest. Breeding is the same as other species in the genus, with the eggs being laid on land and the larvae being washed into swamps by rain. It is very seasonal in its breeding, and hard to find when it is not breeding.
Systems:Terrestrial; Freshwater
Continuing decline in area, extent and/or quality of habitat:Yes
Movement patterns:Not a Migrant

Use and Trade [top]

Use and Trade: This species has been found in the international pet trade, however wild specimens have not been found for nearly five years within the trade (D. Edmonds pers. comm. November 2015).

Threats [top]

Major Threat(s): The area where this species occurs is severely threatened, with its forest habitat receding due to the impacts of subsistence agriculture (including livestock grazing), timber extraction, charcoal production, the spread of eucalyptus, fires, and expanding human settlements. It has, in the past, been collected in large numbers by commercial collectors, and trade might pose a major threat to the species.

Species in this genus have tested positive for Batrachochytrium dendrobatidis (Bd), however currently there have been no negative effects observed within amphibian populations in Madagascar suggesting the Bd strain has a low virulence level (Bletz et al. 2015).

Conservation Actions [top]

Conservation Actions: Conservation Actions
This species is found in the Ankeniheny-Zahamena Corridor (Razafimahatratra et al. 2009). It is listed on CITES Appendix II.

Conservation Needed
Protection of remaining habitat is a top priority, particularly given the high rate of habitat loss and degradation within its range. This species has been assessed through Amphibian Ark as being in need of ex-situ conservation efforts (D. Edmonds pers. comm. November 2015), and any trade should be carefully regulated.

Research Needed
The species requires careful population monitoring, and further research is essential to fully understand the distribution, origin, type and virulence of Bd lineages found in Madagascar (Bletz et al. 2015). Taxonomic research is also required to clarify the status of this species, especially in relation to M. crocea (D. Edmonds pers. comm. November 2015).

Citation: IUCN SSC Amphibian Specialist Group. 2017. Mantella milotympanum. The IUCN Red List of Threatened Species 2017: e.T57448A84167640. . Downloaded on 19 August 2018.
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