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Glyptothorax davissinghi

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA ACTINOPTERYGII SILURIFORMES SISORIDAE

Scientific Name: Glyptothorax davissinghi
Species Authority: Manimekalan & Das, 1998
Taxonomic Notes: Glyptothorax davissinghi was described by Manimekalan and Das (1998) from the Karimpuzha and Paanapuzha tributaries of River Chaliyar, Kerala, India. This species is known to have taxonomic ambiguities. Shaji and Easa (2003) opined that G. davissinghi could not be separated from its closest relative, G. madraspatanum, and therefore can be considered only as a junior synonym. Similarly, K.V. Radhakrishnan (pers. comm.) mentions that G. annandalei collected from Karimpuzha had highly overlapping morpho-meristic characters with G. davissinghi and therefore the taxonomic validity of the latter is questionable. 


Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2013
Date Assessed: 2011-02-21
Assessor(s): Raghavan, R.
Reviewer(s): Ali, A., Dahanukar, N. & Molur, S.
Contributor(s): Molur, S., Rema Devi, K.R. & Bogutskaya, N.
Justification:
Glyptothorax davissinghi is assessed as Endangered as this species has a restricted distribution (<300 km² area of occupancy and <3,000 km² extent of occurrence, and only two locations). It is threatened by destructive fishing practices including the frequent use of plant poisons and dynamites.
History:
2009 Endangered
2007 Endangered (IUCN 2009.2)

Geographic Range [top]

Range Description: Known only from the Karimpuzha and Paanapuzha tributary of River Chaliyar inside the New Amarambalam Reserve Forest, Kerala, India (Manimekalan and Das 1998).
Countries:
Native:
India (Kerala)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There is no information on the population of G. davissinghi.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: Known to occur in torrential streams, where it is found restricted to rapids and cascades.
Systems: Freshwater

Use and Trade [top]

Use and Trade: There is no information on the use and trade of this species. However, it is reasonable to suspect that the fish maybe used as food by the tribal communities residing along the banks of Karimpuzha and Paanapuzha (R. Raghavan and A. Ali pers.obs.).

Threats [top]

Major Threat(s): Destructive fishing practices including the frequent use of plant poisons and dynamites is one of the major threats to the fish fauna of the Karimpuzha and Paanapuzha tributaries (Baby et al. 2010).

Conservation Actions [top]

Conservation Actions: No conservation actions are in place for this species. There are plans by the local government to declare the New Amarambalam Reserve Forests to which G. davissinghi is endemic to, as a protected area.

Citation: Raghavan, R. 2013. Glyptothorax davissinghi. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 03 September 2014.
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