Oedipina gracilis 

Scope:Global
Status_ne_offStatus_dd_offStatus_lc_offStatus_nt_offStatus_vu_offStatus_en_onStatus_cr_offStatus_ew_offStatus_ex_off

Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Caudata Plethodontidae

Scientific Name: Oedipina gracilis
Species Authority: Taylor, 1952
Taxonomic Source(s): Frost, D.R. 2013. Amphibian Species of the World: an Online Reference. Version 5.6 (9 January 2013). Electronic Database. American Museum of Natural History, New York, USA. Available at: http://research.amnh.org/herpetology/amphibia/index.html.

Assessment Information [top]

Red List Category & Criteria: Endangered A2ac ver 3.1
Year Published: 2008
Date Assessed: 2008-01-01
Assessor(s): Bolaños, F., Savage, J., Wake, D., Ibáñez, R. & Solís, F.
Reviewer(s): Stuart, S.N., Chanson, J.S., Cox, N.A. & Young, B.E.
Justification:
Listed as Endangered because of an observed serious population decline, estimated to be more than 50% over the last three generations, based a greatly reduced number of observations of the species, and on shrinkage and degradation of its habitat. The generation length is assumed to be 7 years.
Previously published Red List assessments:
  • 2004 – Endangered (EN)

Geographic Range [top]

Range Description:This species is known from the Atlantic lowlands of Costa Rica and extreme north-western Panama, at 3-710m asl.
Countries occurrence:
Native:
Costa Rica; Panama
Additional data:
Lower elevation limit (metres):3
Upper elevation limit (metres):710
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:It was formerly common, but is now very rare, though still surviving at several sites, including La Selva Biological Station in Costa Rica.
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:It inhabits lowland rainforest, where it can be found in leaf-litter, under rotten logs, moss or rocks, on tree trunks or on the ground. It can tolerate very limited habitat degradation. Breeding takes place by direct development.
Systems:Terrestrial

Threats [top]

Major Threat(s): Habitat destruction due to expanding agriculture, logging and human settlements is probably the main cause of the decline.

Conservation Actions [top]

Conservation Actions: It occurs in the La Selva Biological Station and Reserve in Costa Rica, but there are otherwise very few protected areas within its range. The species is in need of close population monitoring.

Classifications [top]

1. Forest -> 1.6. Forest - Subtropical/Tropical Moist Lowland
suitability: Suitable  
1. Land/water protection -> 1.1. Site/area protection
2. Land/water management -> 2.1. Site/area management

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
  Conservation sites identified:Yes, over entire range
  Occur in at least one PA:Yes
In-Place Species Management
In-Place Education
1. Residential & commercial development -> 1.1. Housing & urban areas
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.1. Ecosystem conversion
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

2. Agriculture & aquaculture -> 2.1. Annual & perennial non-timber crops -> 2.1.2. Small-holder farming
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.1. Ecosystem conversion
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

2. Agriculture & aquaculture -> 2.1. Annual & perennial non-timber crops -> 2.1.3. Agro-industry farming
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.1. Ecosystem conversion
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

5. Biological resource use -> 5.3. Logging & wood harvesting -> 5.3.5. Motivation Unknown/Unrecorded
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

1. Research -> 1.2. Population size, distribution & trends
1. Research -> 1.3. Life history & ecology
1. Research -> 1.5. Threats
1. Research -> 1.6. Actions
3. Monitoring -> 3.1. Population trends

Bibliography [top]

García-París, M. and Wake, D.B. 2000. Molecular phylogenetic analysis of relationships of the tropical salamander genera Oedipina and Nototriton, with descriptions of a new genus and three new species. Copeia: 42-70.

García-París, M., Good, D.A., Parra-Olea, G. and Wake, D.B. 2000. Biodiversity of Costa Rican salamanders: implications of high levels of genetic differentiation and phylogeographic structure for species formation. Proceedings of the National Academy of Sciences, USA: 1640-1647.

Good, D.A. and Wake, D.B. 1997. Phylogenetic and taxonomic implications of protein variation in the Mesoamerican salamander genus Oedipina (Caudata: Plethodontidae). Revista de Biologia Tropical: 1185-1208.

IUCN. 2008. 2008 IUCN Red List of Threatened Species. Available at: http://www.iucnredlist.org. (Accessed: 5 October 2008).

Savage, J.M. 2002. The Amphibians and Reptiles of Costa Rica: A Herpetofauna between two Continents, between two Seas. University of Chicago Press, Chicago.


Citation: Bolaños, F., Savage, J., Wake, D., Ibáñez, R. & Solís, F. 2008. Oedipina gracilis. In: The IUCN Red List of Threatened Species 2008: e.T59314A11913428. . Downloaded on 28 July 2016.
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