Length‐weight and length‐length relationships of two gobiid fishes Eleotris fusca (Forster, 1801) and Odontamblyopus rubicundus (Hamilton, 1822) from the Payra River,southern Bangladesh |
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| Authors: | F Ahamed N Saha S Jahan S Akter M Y Hossain Z F Ahmed J Ohtomi |
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| Institution: | 1. Department of Fisheries Management, Patuakhali Science and Technology University, Patuakhali, Bangladesh;2. Faculty of Fisheries, Patuakhali Science and Technology University, Patuakhali, Bangladesh;3. Department of Fisheries, Faculty of Agriculture, University of Rajshahi, Rajshahi, Bangladesh;4. Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh, Bangladesh;5. Faculty of Fisheries, Kagoshima University, Kagoshima, Japan |
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| Abstract: | The present study provides the estimates of length‐weight relationships (LWRs) and length‐length relationships (LLRs) of two gobiid fishes Eleotris fusca and Odontamblyopus rubicundus from the Payra River, southern Bangladesh. Fish samples were collected from the set bagnet (mesh size <2 mm) fishers of the Payra River in July 2016. Allometric coefficient (b) values were 2.95 for E. fusca and 2.76 for O. rubicundus. Additionally, the LLRs were highly significant with r2 ≥ .955. While the estimate of the LWR for O. rubicundus includes a substantial larger sample size and thus provides a more reliable LWR than the one published so far, the LWR for E. fusca must be considered as tentative because the sample includes only juveniles for a fish that reaches a maximum standard length more than three times as much. Additional studies are needed to further improve our LWR knowledge base for these fish species. |
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