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Assessment Results




© 2010 Joern Koehler (1 of 3 )

AmphibiaWeb species account




Conservation Needs Assessment

Stumpffia be ,   /
Assessed for:  Madagascar   on: 28 Oct 2015   by: Jörn Köhler  
Assessment Status: Completed  
Order:   Anura     Family:   Microhylidae

IUCN Global Red List:   (not assessed)   
IUCN National Red List:   (not assessed)   
Distribution:     Madagascar  
Evolutionary Distinctiveness score:   20 
Recommended Conservation Actions:   In Situ Research  , Ex Situ Research  , Conservation Education   
Additional Comments:    

Question #Short NameQuestion TextResponseComments
1 Extinction risk Current IUCN Red List category. [Data obtained from the IUCN Red List.] Vulnerable (VU) Probably restricted to small range (Ankarana). S. be occurs in an protected area. Nevertheless, habitat alteration in this areas is ongoing and has intensified in the last years. On the other hand, because of their specialization to karstic habitat and partly caves, these large-bodied Stumpffia are probably less affected by deforestation than other Malagasy frog species. However, species are prone to the effects of human activities or stochastic events, and are thus capable of becoming Critically Endangered or even Extinct in a very short time period. The species has a known area of occupancy of less than 20 km2 and appears to occur at only 1 location. We propose that this situation is best addressed by assigning a status of Vulnerable according to criterion D2 of the IUCN Red List (IUCN –World Conservation Union, 2001). KÖHLER, J., M. VENCES, N. D'CRUZE & F. GLAW (2010): Giant dwarfs: discovery of a radiation of large-bodied 'stump-toed frogs' from karstic cave environments of northern Madagascar. Journal of Zoology 282 (1): 21–38.
2 Possibly extinct Is there a strong possibility that this species might be extinct in the wild? No
3 Phylogenetic significance The taxon’s Evolutionary Distinctiveness (ED) score, as generated by the ZSL EDGE program. (These data are added by AArk staff, and are not editable by Assessors). ED value 20 - 50
4 Protected habitat Is a population of at least 50% of the individuals of the taxon included within a reliably protected area or areas? Yes Currently included in Ankarana Reserve.
5 Habitat for reintroduction Does enough suitable habitat exist, either within or outside of currently protected areas that is suitable for reintroduction or translocation? Yes Suitable habitat should be available within the Ankarana Massiv, even if habitat alteration continues.
6 Previous reintroductions Have reintroduction or translocation attempts been made in the past for this species? No
7 Threat mitigation Are the threats facing the taxon, including any new and emerging threats not considered in the IUCN Red List, potentially reversible? Threats are being managed - conservation dependant Depends on the management of Ankarana. If properly done, the species is likely protected.
8 Over-collection from the wild Is the taxon suffering from unsustainable collection within its natural range, either for food, for the pet trade or for any other reason, which threatens the species’ continued persistence in the wild? No Not in trade.
9 Population recovery Is the known population of this species in the wild large enough to recover naturally, without ex situ intervention if threats are mitigated? Yes Unknown, as there are no population data, but very likely yes.
10 Biological distinctiveness Does the taxon exhibit, for example, a distinctive reproductive mode, behaviour, aspect of morphology or physiology, within the Class Amphibia? Aspect of biology shared with < 6 other species At least partly cave-dwelling large-bodied species of Stumpffia. Reverse evolution of body size from small ancestors. Probably interesting reproductive biology.
11 Cultural/socio-economic importance Does the taxon have a special human cultural value (e.g. as a national or regional symbol, in a historic context, featuring in traditional stories) or economic value (e.g. food, traditional medicine, tourism) within its natural range or in a wider global context? No
12 Scientific importance Is the species vital to current or planned research other than species-specific ecology/biology/conservation? (e.g. human medicine, climate change, environmental pollutants and conservation science), within the Class Amphibia? No research dependent on this species
13 Ex situ research Does conserving this species (or closely related species) in situ depend upon research that can be most easily carried out ex situ? No
14 Husbandry analog Do the biological and ecological attributes of this species make it suitable for developing husbandry regimes for more threatened related species? i.e. could this species be used in captivity to help to develop husbandry and breeding protocols which could be used for a similar, but more endangered species at a later stage? Yes Probably yes, as it is related to other threatened cave-dwelling species in northern Madagascar.
15 Captive breeding Has this species been successfully maintained and bred in captivity? Not held in captivity to date
16 Educational potential Is the species especially diurnal/active/colourful and therefore suited to be an educational ambassador for conservation of this group of species? No
17 Mandate Is there an existing conservation mandate recommending the ex situ conservation of this taxon? No
18 Range State approval Would a proposed ex situ initiative for this species be supported (and approved) by the range State (either within the range State or out-of-country ex situ)? No
19 Founder specimens Are sufficient animals of the taxon available or potentially available (from wild or captive sources) to initiate the specified ex situ program? Unknown No population data available, but probably yes.
20 Taxonomic status Has a complete taxonomic analysis of the species in the wild been carried out, to fully understand the functional unit you wish to conserve (i.e. have species limits been determined)? Yes Identified by integrative taxonomic approach. Relationshipsm almost clear. KÖHLER, J., M. VENCES, N. D'CRUZE & F. GLAW (2010): Giant dwarfs: discovery of a radiation of large-bodied 'stump-toed frogs' from karstic cave environments of northern Madagascar. Journal of Zoology 282 (1): 21–38.

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