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Dharamtar estuary: Unexplored ichthyofaunal diversity, a thrust area for diversity conservation

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Title Dharamtar estuary: Unexplored ichthyofaunal diversity, a thrust area for diversity conservation
 
Creator Pathak, V
Bhutia, R N
Chennuri, S
Kumar, R
Bhushan, S
Deshmukhe, G
Jaiswar, A K
 
Subject Anthropogenic
Arabian Sea
Dharamtar estuary
Fish diversity
Mangrove
 
Description 891-899
The Dharamtar estuary has been receiving ecologists’ attention, as the ecosystem is highly-stressed due to
anthropogenic activities. This mangrove-associated critical ecosystem plays a vital role in the ichthyofaunal assemblages.
Thus, the objective of the present study was to describe the ichthyofaunal diversity and their assemblages. The samples of
the fishes were collected from Dol net landings from the Dharamtar estuary, part of the Arabian Sea. During the
investigation, a total of 91 fish species belonging to 37 families and 12 orders were recorded. The exotic species Clarias
gariepinus was recorded for the first time from the estuary. The fishes of the Dharamtar estuary were categorized as Not
Evaluated (32 %), Data Deficient (5 %), Least Concerned (56 %), Near Threatened (3 %), Vulnerable (3 %) and Endangered
(1 %) as per the IUCN criteria; where, 7 % of the species were traumatogenic, 5 % poisonous, 2 % venomous, and 1 % were
with potential pest characteristics. The rich diversity of the estuary is associated with the sheltered area provided by
mangroves that facilitates the assemblages, growth and survival of larval and juvenile fish. The results of the present
investigation will be helpful in stock differentiation, biological study, conservation, etc.
 
Date 2023-07-11T06:31:56Z
2023-07-11T06:31:56Z
2023-07
 
Type Article
 
Identifier 2582-6727 (Online); 2582-6506 (Print)
http://nopr.niscpr.res.in/handle/123456789/62298
https://doi.org/10.56042/ijms.v51i11.3505
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJMS Vol.51(11) [November 2022]