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Description |
Indian Ocean: India and Bangladesh (Ref. 4833). Reported from the South China Sea (Ref. 39501).
Geographic Range [top]
Range Description: This species is known from the lower reaches of river systems and coastal areas throughout the Indian subcontinent eastwards to the lower reaches and delta of the Irrawaddy River.
Countries occurrence:
Native:
Bangladesh; India (Kerala, Maharashtra, Orissa, Tamil Nadu, West Bengal); Myanmar (Myanmar (mainland))
Additional data:
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: Although Patra et al. (2005) report a mean decline of 32.6% in catch for this species in the Sundarbans (Ganges-Brahmaputra estuary) for the period 1960-2000 and Mishra et al. (2009) report a mean decline per decade of 28.4%, and 57% average each decade between 1980 and 2000, in catch for this species in southwestern Bengal for a similar period, there is insufficient data from other areas where this species is naturally distributed.
Current Population Trend: Decreasing
Additional data:
? Continuing decline of mature individuals: Yes
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: Inhabits the lower reaches of rivers and is able to ascend upriver beyond the tidal reach.
Systems: Freshwater
Continuing decline in area, extent and/or quality of habitat: Unknown
Use and Trade [top]
Use and Trade: This species is an important fisheries species (Patra et al. 2005).
Threats [top]
Major Threat(s): Overexploitation for food fish is the major threat to the species which has resulted in population declines throughout its range.
Conservation Actions [top]
Conservation Actions: Although there is some catch data for this species, it is fragmentary and more data is badly needed to build up a more accurate picture of the status of this species.
Citation: Ng, H.H. 2010. Arius gagora. The IUCN Red List of Threatened Species 2010: e.T166483A6218691. http://dx.doi.org/10.2305/IUCN.UK.2010-4.RLTS.T166483A6218691.en. Downloaded on 05 December 2018.
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