Length-weight and length-length relationships of eight fish species from river Ganga, India

被引：5

作者：

Baitha, R. ^{[1
]}

Karna, S. K. ^{[1
]}

Ray, A. ^{[1
]}

Chanu, T. N. ^{[1
]}

Swain, H. S. ^{[1
]}

Ramteke, M. H. ^{[1
]}

Bayen, S. ^{[1
]}

Manna, R. K. ^{[1
]}

Das, B. K. ^{[1
]}

机构：

[1] ICAR Cent Inland Fisheries Res Inst, Kolkata, India

来源：

JOURNAL OF APPLIED ICHTHYOLOGY | 2018年 / 34卷 / 04期

关键词：

WEST-BENGAL; ASSAM;

D O I：

10.1111/jai.13698

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

Present study provides length-weight relationships (LWRs) and length-length relationships (LLRs) of eight fish species from river Ganga, India. Specimens were sampled from gill nets (mesh, 22-120mm), cast nets (mesh, 12-14mm), and seine nets (mesh, 12mm) on quarterly basis from September 2016 to September 2017 within the river stretch from Buxar (25 degrees 3343.90N and 83 degrees 563.10E) to Freserganj (21 degrees 3540.58N and 88 degrees 1528.92E). The b value ranged from 2.86 (Otolithoides pama) to 3.08 (Polynemus paradiseus), whereas a value ranged from 0.004 (P. paradiseus) to 0.016 (Rita rita). Both relationships (LWRs and LLRs) were found to be highly correlated (p<.001). This study provides first report on LWR for Amblyceps mangois and Osteobrama cotio, whereas new maximum length recorded for Macrognathus pancalus. Furthermore, the estimate of R. rita should be considered as tentative because of the limited size range in the study.

引用

页码：1052 / 1054

页数：3

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