Length-weight relationship and condition factor of Dawkinsia filamentosa (Valenciennes, 1844) in different aquatic habitats

Theresa Paul, Thankam and Landge, Asha and Sarkar, U K and Deshmukhe, Geetanjali and Padmakumar, K G and Shyam, S Salim and Basheer, V S (2018) Length-weight relationship and condition factor of Dawkinsia filamentosa (Valenciennes, 1844) in different aquatic habitats. Journal of the Marine Biological Association of India, 60 (1). pp. 102-104.

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    Abstract

    The growth rate of a species in any aquatic environment is an indicator of the water quality of the system. In the current study, the Length-weight relationship (LWR) and the condition factor of Dawkinsia filamentosa from various aquatic ecosystems especially lotic, lentic and brackish lentic systems were compared. It was observed that growth rate of the fish was more in brackish lentic systems. The study showed that already reported growth rate (b) of the species in brackish lentic systems is around 3.273 indicating proximity towards the isometric growth pattern as compared to the growth rate in reservoirs (2.3184) and that in lentic systems (3.116) obtained from present study. Similar studies supplemented with environmental variables can be used to study the health status of the ecosystem. The best system suitable for the adaptive growth of the species can be ascertained only after a holistic approach involving environmental variables.

    Item Type: Article
    Uncontrolled Keywords: Lotic, lentic, LWR, condition factor, growth rate
    Subjects: Fishery Biology
    Divisions: Contributors
    Depositing User: Arun Surendran
    Date Deposited: 03 Dec 2018 09:51
    Last Modified: 06 Oct 2022 05:22
    URI: http://eprints.cmfri.org.in/id/eprint/13254

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