Length-weight relationship for 4 economical species in north coast of Persian Gulf
Authors
1 Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj
2 Department of Fisheries, Faculty of Natural Resources, Sari University of Agricultural Sciences and Natural Resources, Sari
Abstract
To evaluate the relationship among the length-weight species Rainbow sardine (Dussumieria acuta), Fourlined terapon (Pelates quadrilineatus), Goldstripe ponyfish (Leiognathus daure) and Bloch,s gizzard shad (Nematalosa nasus), 2688 the number of fish samples from Assaluyeh coast between December 2015 to April 2016 caught by Purse Seine and then morphometry of sample were done. Total lengths (±1.0 mm) and body weight (±0.1 g) were recorded for each fish. Based on the results, isometric growth pattern showed in all species studied and compute correlation coefficient between the samples at a rate of 0.928-0.986 respectively, that indicating the similarity of these results with other studies in the Persian Gulf. Although, in the same way intercept (a) and the slope (b) were similar in a way that by increasing the slope of the line from the intercept they are reduced.
Keywords
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