Aspideretes nigricans

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA REPTILIA TESTUDINES TRIONYCHIDAE

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

Assessment Information [top]

Red List Category & Criteria: Extinct in the Wild     ver 3.1
Year Assessed: 2002
Assessor/s Asmat, G.S.M
Evaluator/s: Rhodin, A. & Behler, J. (Tortoise & Freshwater Turtle Red List Authority)
Justification:
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.
History:
2000 – Critically Endangered
1996 – Critically Endangered (Baillie and Groombridge 1996)
1994 – Rare (IUCN)
1990 – Rare (IUCN 1990)
1988 – Rare
1986 – Rare (IUCN Conservation Monitoring Centre 1986)
1982 – Rare

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:
Regionally extinct:
Bangladesh

Habitat and Ecology [top]

Habitat and Ecology: Semi-aquatic
Systems: Terrestrial; Freshwater
Citation: Asmat, G.S.M 2002. Aspideretes nigricans. In: IUCN 2009. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on 09 February 2010.
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