Abstract
The parameters 'a' and 'b' of the length-weight relationship of five Nemipteridae species viz., Nemipterus bipunctatus (Valenciennes, 1830), Nemipterus randalli Russell, 1986, Scolopsis bimaculata Ruppell, 1828, Scolopsis xenochrous Gunther, 1872 and Scolopsis vosmeri (Bloch, 1792) are reported from the Gulf of Mannar, Eastern Indian Ocean. The fish samples were collected fortnightly from the trawlers of Thoothukudi Fishing Harbour between September 2020 and June 2021. The trawlers operate at a depth of 40–150 m with a 2–2.30 hours hauling period. These are operating bottom trawl nets and have a total length of 40 m with a cod-end mesh size of 35 mm. The total length of the fish was measured to the nearest 0.1 cm and weight to the nearest 0.01 g, respectively. The descriptive statistics and estimated length-weight relationships (LWRs) parameters were detailed in the paper.
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