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Gagata cenia

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA ACTINOPTERYGII SILURIFORMES SISORIDAE

Scientific Name: Gagata cenia
Species Authority: (Hamilton, 1822)
Taxonomic Notes: Gagata cenia was described from “rivers in the northern part of Bengal” (i.e. the Brahmaputra River drainage) by Hamilton (1822).   This species is distinguished from congeners by its small size, the presence of five dark saddles on the head and body, caudal fin with transverse black bar across the peduncle and black spot on the middle of each lobe, dorsal fin with black spot on the distal part of the anterior rays, upper jaw toothless, and snout tip acutely pointed in lateral profile with the tip separated from the rest of the snout by a distinct notch (Roberts and Ferraris 1998).  The conspecificity of the population from the Indus River drainage with that from the Ganges-Brahmaputra and Mahanadi systems needs to be verified (H.H. Ng pers. comm.).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2009-10-13
Assessor(s): Ng, H.H.
Reviewer(s): Vishwanath, W. & Molur, S.
Contributor(s): Molur, S.
Justification:
Although there is little information on the global population and its trend for this species, it is still a relatively common species, especially in the Ganges-Brahmaputra system.  There are also no perceptible threats currently, although more research is needed in this area.  Even though the taxonomy of this species requires some study (its presence in the Indus River drainage in Pakistan needs confirmation), it is assessed as Least Concern at the present.

Geographic Range [top]

Range Description: This species is known throughout the Mahanadi, Indus, Ganges and Brahmaputra river drainages.
Countries:
Native:
Bangladesh; India (Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Chattisgarh, Jharkand, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Mizoram, Nagaland, Orissa, Punjab, Tripura, Uttaranchal, Uttar Pradesh, West Bengal); Nepal; Pakistan
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Although information on the global population and trend for this species is not known, it is a fairly common species throughout most of the Ganges, Brahmaputra, Indus and Mahanadi river systems.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This species inhabits large rivers with a sandy/muddy bottom (Roberts and Ferraris 1998).
Systems: Freshwater

Use and Trade [top]

Use and Trade: This species is frequently exported as an ornamental fish, and is commonly encountered as a food fish in artisanal fisheries (H.H. Ng pers. comm.).

Threats [top]

Major Threat(s): The threats to this species are unknown, since there is little information on the biology of this species and therefore the impact of potential threats (especially those of an anthropogenic nature) remains unknown.  The current threats to aquatic biodiversity in all of its known distribution have also not been adequately identified.

Conservation Actions [top]

Conservation Actions: More research about the distribution and the biology of this species is needed, as there is insufficient information available.  Potential threats to this species also need to be identified and more information on catch data (and its effects on the population) is needed.  Furthermore, the conspecificity of the population from the Indus River drainage with that from the Ganges-Brahmaputra and Mahanadi systems needs to be verified.

Citation: Ng, H.H. 2010. Gagata cenia. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 26 November 2014.
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