Journal of Biomaterials
Volume 1, Issue 1, June 2017, Pages: 19-24
Received: Mar. 13, 2017;
Accepted: Apr. 12, 2017;
Published: May 3, 2017
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Wasim Sabbir, Fisheries and Marine Resource Technology, Khulna University, Khulna, Bangladesh
Basonti Mondal, Fisheries and Marine Resource Technology, Khulna University, Khulna, Bangladesh
Mukta Das, Fisheries and Marine Resource Technology, Khulna University, Khulna, Bangladesh
Md. Nuruzzaman Khan, Fisheries and Marine Resource Technology, Khulna University, Khulna, Bangladesh
Tania Sultana, Fisheries and Marine Resource Technology, Khulna University, Khulna, Bangladesh
The present study deals with hepatosomatic index (HSI), alimentosomaticindex (ASI), gastro-somatic index (GaSI), condition factor, relative gut length and food and feeding habit of Nona Tengra (Mystus gulio) collected from Khulna region during August to December, 2015. A total of 100 specimens were collected from different fish market of Khulna region. Total length, standard length and head length ranged from 11.7-21.00, 9.5-17.00 and 2.5 - 4.3 cm respectively. The body weight (BW), gonad weight (GdW), liver weight (LW) and gut weight (GtW) ranged from 20.13-35.81, 0.03-0.05, 0.3-0.53 and 0.39-0.69 g respectively. The relationships between different features of the fish body were found to be linear. The mean values of hepatosomatic (0.41±0.06) and alimentosomatic index (0.53±0.083) indicated greater liver activity and feeding intensity in Mystus gulio during the experimental period. Present investigation also showed that the chlorophyceae, planktonic crustacea, rotifera, insect body parts and shrimp were the main food items of Mystus gulio, which suggested that the species is carnivorous. However, the biological knowledge of this study will help to conserve this species as well as develop new culture system.
Md. Nuruzzaman Khan,
Biological Aspect of Nona Tengra (Mystus gulio) in Khulna Region, South West Bangladesh, Journal of Biomaterials.
Vol. 1, No. 1,
2017, pp. 19-24.
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