Length-weight relations for finfish species landed as trawl by-catch from north-western Bay of Bengal

Ghosh, Shubhadeep and Edward, Loveson and Muktha, M and Divipala, Indira and Behera, Pralaya Ranjan and Jasmin, F and Manas, H M and Pattnaik, Phalguni and Das, Madhumita and Rao, Gaurisankar and Satishkumar, Mamidi and Dineshbabu, A P and Gopalakrishnan, A (2022) Length-weight relations for finfish species landed as trawl by-catch from north-western Bay of Bengal. Journal of Applied Ichthyology. pp. 1-3.

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    Abstract

    For effective trawl by-catch management, length-weight relationships for seven data-deficient finfish species landed as by-catch in the trawl fishery (square meshed trawl cod-end of 40 mm) were documented from Visakhapatnam, along north-western Bay of Bengal during 2017–2019. Following precise taxonomic identification, total length and weight of each individual for each by-catch species were measured and the relationship parameters estimated. Slope or exponent of the relations ranged from 2.456 to 3.394, with coefficient of determination ≥0.90. Present information on length-weight relationship parameters is virgin globally for Leiodon cutcutia and Uranoscopus archionema; and for Jaydia lineata, Drepane punctata, Grammoplites scaber and Thryssa setirostris; they are first records from northern Indian Ocean.

    Item Type: Article
    Uncontrolled Keywords: Length-weight relations; Finfish; Bay of Bengal
    Subjects: Fish and Fisheries > Finfish
    Marine Fisheries > Fish landing
    Fish and Fisheries > Fish Taxonomy
    Divisions: CMFRI-Mangalore
    CMFRI-Visakhapatnam
    CMFRI-Kochi > Fishery Extension
    Subject Area > CMFRI > CMFRI-Kochi > Fishery Extension
    CMFRI-Kochi > Fishery Extension
    Subject Area > CMFRI-Kochi > Fishery Extension
    Depositing User: Arun Surendran
    Date Deposited: 03 Oct 2022 07:09
    Last Modified: 03 Oct 2022 07:09
    URI: http://eprints.cmfri.org.in/id/eprint/16310

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