Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Reptilia Testudines Trionychidae

Scientific Name: Nilssonia nigricans
Species Authority: (Anderson, 1875)
Common Name(s):
English Black Soft-shell Turtle, Black Softshell Turtle
Aspideretes nigricans (Anderson, 1875)
Trionyx nigricans Anderson, 1875

Assessment Information [top]

Red List Category & Criteria: Extinct in the Wild ver 3.1
Year Published: 2002
Date Assessed: 2002-01-01
Needs updating
Assessor(s): Asmat, G.S.M
Reviewer(s): Rhodin, A. & Behler, J. (Tortoise & Freshwater Turtle Red List Authority)
A. nigricans is known to occur only in a single artificial temple pond near Chittagong, Bangladesh. No specific observation of this species has been made outside of this pond.
Previously published Red List assessments:
2000 Critically Endangered (CR)
1996 Critically Endangered (CR)
1994 Rare (R)
1990 Rare (R)
1988 Rare (R)
1986 Rare (R)
1982 Rare (R)

Geographic Range [top]

Range Description: This species is only known to exist in an artificial pond (Baizid Bostami shrine) near Chittagong, Bangladesh. In 1912, its distribution was given as in between the Brahmaputra river system and the Arakan streams, but this may have been an incorrect assumption based on the distributions of A. gangenticus, A. leithi, and A. hurum (Asmat, pers. comm).
Countries occurrence:
Regionally extinct:
Range Map: Click here to open the map viewer and explore range.

Habitat and Ecology [top]

Habitat and Ecology: Semi-aquatic
Systems: Terrestrial; Freshwater

Conservation Actions [top]

Conservation Actions: It is listed on CITES Appendix I.

Citation: Asmat, G.S.M. 2002. Nilssonia nigricans. The IUCN Red List of Threatened Species 2002: e.T2173A9314968. . Downloaded on 08 October 2015.
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