The Recently Extinct Plants and Animals Database


Nilssonia nigricans Anderson, 1875

Black soft-shell turtle, Black softshell turtle

 

 

Taxonomy & Nomenclature

Synonym/s: Aspideretes nigricans Anderson, 1875; Trionyx nigricans Anderson, 1875

 

Conservation Status

Last Record prior to rediscovery: ?

Rediscovered in 2015 or before

 

Previously thought to be extinct in the wild, living specimens have since been identified from northeastern India (Kundu et al. 2015).

 

IUCN RedList status: Extinct in the wild

 

Distribution

Bangladesh & India

 

Biology

 

 

Hypodigm

 

 

Media

 

 

References

Original scientific description:

Anderson, J. 1875. Description of some new Asiatic mammals and Chelonia. The Annals and Magazine of Natural History 16(4): 282-285.

 

Other references:

Ahmed, M.F. and Das, A. 2010. Tortoises and Turtles of Northeast India: Saving them from Extinction! Survey, Assessment of Present Status and Conservation of Tortoises and Freshwater Turtles in Northeast India. Technical Report, Aaranyak, HRCI: 01/2010. Guwahati, India.

Ahsan, M.F., Haque, M.N. and Fugler C.M. 1991. Observations on Aspideretes nigricans, a semi-domesticated endemic turtle from eastern Bangladesh. Amphibia-Reptilia 12: 131–136.

Ahsan, M.F., Haque, M.N. and Saeed, A. 1994. Notes on feeding habits and some morphological features of the Bostami Turtle, Aspideretes nigricans (Anderson). Journal of the Bombay Natural History Society 91: 458–461.

Ahsan, M.F. and Saeed, M.A. 1989. The Bostami Turtle, Trionyx nigricans Anderson : population status, distribution, historical background and length-weight relationship. Journal of the Bombay Natural History Society 86(1): 1–6.

Ahsan F. and Saeed, A. 1992. Some aspects of the breeding biology of the Black Softshell Turtle, Aspideretes nigricans. Hamadryad 17: 28-31.

Asmat, G.S.M. (2002). Nilssonia nigricans. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. (http://www.iucnredlist.org). Downloaded on 09 November 2012.

Baillie, J. and Groombridge, B. (eds). 1996. 1996 IUCN Red List of Threatened Animals. pp. 378. International Union for Conservation of Nature, Gland, Switzerland and Cambridge, UK.

Baruah, C., Sharma, D.K. and Ali Reza, A.H.M. 2010. Le Trionyx noiratre, la Tortue de Bostami Nilssonia nigricans (Anderson 1875). Cheloniens 18: 33–38.

CFH/MCBT. 2006. Conservation Action Plan for Endangered Freshwater Turtles and Tortoises of India. Madras Crocodile Bank Trust, Tamil Nadu.

Das, Ram Krishna et al. (2020). First Report of Occurrence and Conservation Status of Black Softshell Turtle, Nilssonia nigricans (Anderson 1875) (Reptilia: Testudines: Trionychidae) in West Bengal, India. Proceedings of the Zoological Society. https://doi.org/10.1007/s12595-020-00329-3 [Abstract]

Engstrom, T.N., Shaffer, H.B. and McCord, W.P. 2004. Multiple data sets, high homoplasy, and the phylogeny of softshell turtles (Testudines: Trionychidae). Systematic Biology 53(5): 693–710.

Gemel, R. and Praschag, P. 2003. On the nomenclature and vernacular names of recent Aspideretes species (Reptilia, Testudines, Trionychidae. Zoologische Abhandlungen – Staatliches Museum fur Tierkunde in 53(1): 93–105.

Groombridge, B. 1982. The IUCN Amphibia-Reptilia Red Data Book, Part 1: Testudines, Crocodylia, Rhynocehapalia. IUCN, Gland, Switzerland.

Groombridge, B. (ed.). 1994. 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

Gupta, A. and Guha, K. 2002. Tradition and conservation in Northeastern India: an ethical analysis. Eubios, Journal of Asian and International Bioethics 12: 15–18.

Hilton-Taylor, C. 2000. 2000 IUCN Red List of Threatened Species. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN. 1990. IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN Conservation Monitoring Centre. 1986. 1986 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN Conservation Monitoring Centre. 1988. 1988 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN/SSC Tortoise and Freshwater Turtle Specialist Group and Asian Turtle Trade Working Group. 2000. Changes to 1996 IUCN Red List Status of Asian Turtle Species. In: P.P. van Dijk, B.L. Stuart and A.G.J. Rhodin (eds). Asian Turtle Trade: Proceedings of a Workshop on Conservation and Trade of Freshwater Turtles and Tortoises in Asia, pp.156-164. Chelonian Research Monographs 2. Chelonian Research Foundation, Lunenburg, Massachusetts, USA.

Khan, M.A.R. 1987. Bangladesher Bonyaprani (Wildlife of Bangladesh). Volume 1. Amphibians and Reptiles. Bangla Academy, Dhaka.
 
Khan, M.S. 1987. Checklist, distribution and zoological affinities of herpetofauna of Balochistan. Proc. Pakistan Zool. Congr. 7: 105-112.

Kundu, Shantanu et al. (2015). DNA barcoding of Nilssonia congeners corroborates existence of wild N. nigricans in northeast India. Mitochondrial DNA. doi:10.3109/19401736.2015.1046176 [Abstract]

Kundu, Shantanu, Kumar, Vikas, Tyagi, Kaomud et al. (2018a). Complete mitochondrial genome of Black Soft-shell Turtle (Nilssonia nigricans) and comparative analysis with other Trionychidae. Scientific Reports 8: 17378.

Kundu, Shantanu, Kumar, Vikas, Tyagi, Kaomud and Chandra, Kailash. (2018b). Environmental DNA (eDNA) testing for detection of freshwater turtles in a temple pond. Herpetology Notes 11: 369-371.

Liebing, Nicole et al. (2012). Molecular phylogeny of the softshell turtle genus Nilssonia revisited, with first records of N. formosa for China and wild-living N. nigricans for Bangladesh. Vertebrate Zoology 62(2): 261-272.

Pawar, S. and Choudhury, B.C. 2000. An inventory of Chelonians from Mizoram, Northeast India: New records and some observations on threats. Hamadryad 25(2): 144-158.

Praschag, P., Ahmed, M.F. & Singh, S. (2021). Nilssonia nigricans. The IUCN Red List of Threatened Species 2021: e.T2173A2778172. https://dx.doi.org/10.2305/IUCN.UK.2021-1.RLTS.T2173A2778172.en. Downloaded on 20 April 2021.

Praschag, P. and Gemel, R. 2002. Identity of the black softshell turtle Aspideretes nigricans (Anderson 1875) with remarks on related species. Faunistische Abhandlungen Staatliches Museum für Tierkunde Dresden 23: 87–116.

Praschag, P., Hundsdörfer, A. K., Reza, A. H. M. A. and Fritz, U. (2007). Genetic evidence for wild-living Aspideretes nigricans and a molecular phylogeny of South Asian softshell turtles (Reptilia: Trionychidae: Aspideretes, Nilssonia). Zoologica Scripta 36: 301-310. [Abstract]

Pritchard, P.C.H. 1979. Encyclopedia of Turtles. T.F.H Publications, Inc. LTD, Neptune,NJ.

Purkayastha, Jayaditya et al. (2013). Turtles of the Temple Pond of Kamakhya, Assam, India. Reptile Rap 15: 11-15.

Ranjit, Kakati and Das, Tamuly Jyotikana. (2020). Diversity of turtle and tortoise species and their threats: Evidence from Nagshankar temple, Assam (India). The Clarion 9(2): 43-55. [Abstract]

Rashid, S.M.A. 1990. The Aspideretes nigricans mystery. British Herpetological Society Bulletin 34: 42–43.

Turtle Conservation Coalition [Rhodin, A.G.J., Walde, A.D., Horne, B.D., van Dijk, P.P., Blanck, T., and Hudson, R. (Eds.)]. (2011). Turtles in Trouble: The World’s 25+ Most Endangered Tortoises and Freshwater Turtles—2011. Lunenburg, MA: IUCN/SSC Tortoise and Freshwater Turtle Specialist Group, Turtle Conservation Fund, Turtle Survival Alliance, Turtle Conservancy, Chelonian Research Foundation, Conservation International, Wildlife Conservation Society, and San Diego Zoo Global. 54 pp.

Turtle Conservation Coalition [Stanford, C.B., Rhodin, A.G.J., van Dijk, P.P., Horne, B.D., Blanck, T., Goode, E.V., Hudson, R., Mittermeier, R.A., Currylow, A., Eisemberg, C., Frankel, M., Georges, A., Gibbons, P.M., Juvik, J.O., Kuchling, G., Luiselli, L., Shi, H., Singh, S., and Walde, A. (Eds.)]. (2018). Turtles in Trouble: The World’s 25+ Most Endangered Tortoises and Freshwater Turtles—2018. Ojai, CA: IUCN SSC Tortoise and Freshwater Turtle Specialist Group, Turtle Conservancy, Turtle Survival Alliance, Turtle Conservation Fund, Chelonian Research Foundation, Conservation International, Wildlife Conservation Society, and Global Wildlife Conservation. 80 pp.

TTWG (Turtle Taxonomy Working Group: Rhodin, A.G.J., Iverson, J.B., Bour, R. Fritz, U., Georges, A., Shaffer, H.B. and van Dijk, P.P.). 2017. Turtles of the World: Annotated Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status (8th Ed.). In: Rhodin, A.G.J., Iverson, J.B., van Dijk, P.P., Saumure, R.A., Buhlmann, K.A., Pritchard, P.C.H., and Mittermeier, R.A. (eds), Conservation Biology of Freshwater Turtles and Tortoises: A Compilation Project of the IUCN/SSC Tortoise and Freshwater Turtle Specialist Group, pp. 1-292. Chelonian Research Monographs.

http://morungexpress.com/turtle-species-thought-extinct-wild-discovered-nagaland/

https://timesofindia.indiatimes.com/city/kolkata/turtles-nearly-extinct-in-the-wild-found-in-north-bengal-temple/articleshow/63350817.cms

http://extinctanimals.proboards.com/thread/16540/nilssonia-nigricans-black-softshell-turtle

 

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