Ichthyofauna of DimnaLake, East Singhbhum District, Jharkhand, India
Sushant Kumar Verma1 & Thakur Das Murmu2
1At & P.O. Harharguttu,
Near TRF Colony, Jamshedpur, Jharkhand 831002, India
2Railway Colony, Bagbera, Jamshedpur, Jharkhand 831002, India
Email: 1 vermasushant2008@gmail.com
Date of publication (online): 26 June 2010
Date of publication (print): 26 June 2010
ISSN 0974-7907 (online) | 0974-7893 (print)
Editor: M. Arunachalam
Manuscript details:
Ms
# o2223
Received
29 May 2009
Final
received 21 May 2010
Finally
accepted 22 May 2010
Citation: Verma, S.K. & T.D. Murmu(2010). Ichthyofauna of Dimna Lake, East SinghbhumDistrict, Jharkhand, India. Journal of Threatened Taxa 2(6): 992-993.
Copyright: © Sushant Kumar Verma & ThakurDas Murmu 2010. Creative Commons
Attribution 3.0 Unported License. JoTT allows unrestricted use of this article in any medium
for non-profit purposes, reproduction and distribution by providing adequate
credit to the authors and the source of publication.
Acknowledgements: The authors would like to record theirthanks to Dr. A. Alim for generous help in proper
identification of fishes. The
authors are also grateful to Miss. Ghazala Sabih (MCA Project Trainee, TISCO) and Mr. Abhishek Raj for their valuable suggestions throughout the
study period.
For Figure & Table - - click here
Dimna Lake (22051’43.53”N & 86015’24.68”E) is located 13km away
from the limits of the city of Jamshedpur in the district of East Singhbhum, Jharkhand (Fig. 1). It lies near Dalma Wildlife
Sanctuary and can be considered as one of the most important aquatic systems of
the District as it serves as a water source for the Tata Steel Plant as well as
for the city of Jamshedpur. The Dimna Lake is irregular in shape and spreads in
approximately 1km2 area. At certain places the depth may reach up to more than 20m. The majority of the
households around the study area are engaged in fishing and related
activities.
Earlier works on ichthyofauna of Jamshedpur were of Bose et al. (1974) and Verma et al. (2008). The present study adds to the documentation of fish fauna of Jamshedpur
from Dimna Lake.
Materials and Methods
Fish samples were collected from Dimna Lake from January to December 2008. Samples were collected of fishermen
catches and were preserved in 10% formalin. Identification of fishes is based mainly
on external characters such as body shape, length, depth, mouth and nature of
fish spines, scales, etc.
The fishes
collected were segregated mainly based on the presence or absence of scales on
the body. When scales are present,
they were further separated based on body shape, number and length of
fins. In the case of fishes
without fins, they were separated according to the number of barbells
present. After segregation, they
were identified according to Jayaram (1999) and Daniels (2001).
Results and Discussion
Altogether 40 species of fishes
belonging to 28 genera and 15 families were collected from various fishing
spots of Dimna Lake during the observation period of
about 12 months (Table 1). Of
these Cyprinidae was found to be the dominant family constituting
50% of the total species observed.
In the present observation, species
such as Cirrhinus mrigala, Catla catla, Labeo bata, Labeo calbasu , Labeo rohita, Cyprinus carpio,Sperata seenghala, Channa marulius, Channa punctatus, Channa striatus, Channa gachua, Clarias batrachusand Mastacembelus armatus were of commercial value.
References
Bose,
K.C., M. Firoz & B. Chakravarty(1974-75). Fishes of Jamshedpur. Research Journal of Ranchi
University, Vol X-XI, 12-18.
Verma, S.K., T.D. Murmu& A. Alim (2008). Studies on the fish diversity of
river Swarnarekha at Jamshedpur. Biospectra: 3(1): 83-86.
Jayaram, K.C. (1999). The Fresh Water Fishes of
The Indian Region. Narendra Publishing House, New Delhi,
551pp
Daniels, R.J.R. (2001). Freshwater Fishes of
Peninsular India. University Press (India) Private Ltd, Hyderabad, 282pp.
Molur, S. & S.
Walker (1998). Freshwater Fishes of India. Conservation, Assessment and Management Plan (CAMP) workshop,
NBFGR, Lucknow, 22-26 September, 156pp.