Abstract
The present work estimates lengthâ��weight relations (LWRs) of fish species from eastern region of Java Sea, Indonesia. The fishes were caught by purse seines. A total of 2461 specimens belonging to five families and 12 species were analysed: Caranx sexfasciatus Quoy et Gaimard, 1825; Decapterus russelli (RA¼ppell, 1830); Elagatis bipinnulata (Quoy et Gaimard, 1825); Megalaspis cordyla (Linnaeus, 1758); Parastromateus niger (Bloch, 1795); Selar crumenophthalmus (Bloch, 1793); Sardinella longiceps Valenciennes, 1847; Euthynnus affinis (Cantor, 1849); Rastrelliger kanagurta (Cuvier, 1816); Scomberomorus commerson (LacepA¨de, 1800); Sphyraena barracuda (Edwards, 1771); Lepturacanthus savala (Cuvier, 1829). The b values of the LWRs ranged from 2.407 for Sphyraena barracuda to 3.510 for Lepturacanthus savala. The presently reported study is the first report on LWRs of pelagic fish species at least from eastern region of Java Sea. Five species of fish such as Decapterus russelli, Parastromateus niger, Rastrelliger kanagurta, Scomberomorus commerson, and Sardinella longiceps have been studied especially in western region of Indonesia. These data can be used for evaluation of the status of the investigated species. © 2017, Scientific Society of Szczecin. All rights reserved.
Highlights
Eastern region of Java Sea at north of Madura Island, Indonesia is a traditional fishing ground for local fishermen
Very few studies have been conducted concerning the length–weight relations (LWRs) of pelagic fish species from this area
Isometric–allometric growth of fish was commonly calculated by the equation: W = aTLb which converted into its logarithmic expression: log W = log a + b × log TL
Summary
Eastern region of Java Sea at north of Madura Island, Indonesia is a traditional fishing ground for local fishermen. Very few studies have been conducted concerning the LWRs of pelagic fish species from this area. The study was carried out in the eastern region of Java Sea at north of Madura Island (6°00′–6°50′S, 112°50′– 114°10′E), Indonesia.
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