Length-Weight Relationships of Fifty Fish Species from Indian Waters

Roul, Subal Kumar and Akhil, A R and Retheesh, T B and Rajesh, K M and Ganga, U and Abdussamad, E M and Rohit, Prathibha (2020) Length-Weight Relationships of Fifty Fish Species from Indian Waters. Thalassas: An International Journal of Marine Sciences. pp. 1-6.

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Official URL: https://link.springer.com/article/10.1007/s41208-0...
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    Abstract

    Length-weight relationships (LWRs) were estimated for 50 fish species belonging to 14 families from Indian waters. During the fishery surveys, specimens were collected from various fishing gears such as ring seines, gill nets, trawls and long lines between 2015 and 2017. The number of specimens measured varied by species. All the values of the parameter b were found within the expected range of 2.5–3.5. The b values in the relationships, W = aLb varied between 2.562 (Stolephorus insularis) and 3.461 (Auxis thazard) with mean value of 3.032 (SE = ± 0.029). The LWRs of all the 50 fish species estimated in this study were highly significant (p < 0.001, r2 ≥ 0.850). The study provides the first estimate of LWRs for Scomber indicus, Sphyraena arabiansis and Upeneus margarethae, and complements the existing LWRs in the international literature and FishBase database. In addition, this study reports the new maximum size for Nematalosa nasus (28.5 cm TL, 281 g TW), Scomberoides commersonnianus (122 cm TL, 11400.5 g TW), Scomberoides tol (56 cm TL, 1000 g TW), Alepes djedaba (33.5 cm TL, 343.8 g TW) and Upeneus margarethae (19 cm TL, 87 g TW). This study provides basic biological information in the form of a length-weight key for 50 commercially important fish species from Indian waters as a valuable tool to assist fishery managers.

    Item Type: Article
    Uncontrolled Keywords: Length-weight relationships; Indian waters; Isometric growth; Allometric growth
    Subjects: Fish and Fisheries > Fish biology > age and growth
    Fish and Fisheries > Finfish
    Fish and Fisheries > Fish biology
    Fish and Fisheries
    Pelagic Fisheries > Pelagic Fishes
    Divisions: CMFRI-Mangalore
    CMFRI-Kochi > Marine Capture > Pelagic Fisheries
    Subject Area > CMFRI > CMFRI-Kochi > Marine Capture > Pelagic Fisheries
    CMFRI-Kochi > Marine Capture > Pelagic Fisheries
    Subject Area > CMFRI-Kochi > Marine Capture > Pelagic Fisheries

    CMFRI-Puri FC
    Depositing User: Arun Surendran
    Date Deposited: 28 May 2020 05:31
    Last Modified: 30 May 2020 05:00
    URI: http://eprints.cmfri.org.in/id/eprint/14279

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