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2011•Indian Journal of FisheriesOpen access

Comparative length-weight relationship of two species of carangids Decapterus russelli (Ruppell, 1830) and Megalaspis cordyla (Linnaeus, 1758) from Mumbai waters

Debabrata Panda, S. K. Chakraborty, A. K. Jaiswar, Tarkeshwar Kumar, Pralaya K. Behera

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Abstract

The length-weight relationships (LWR) of two species of carangids viz., Decapterus russelli and Megalaspis cordyla were worked out for male and female separately. No significant difference was observed in growth between sexes for both the species. Therefore, common equations were derived for both the sexes as W = 0.005975 L3.1680 (R2 = 0.899) and W = 0.008577 L3.0162 (R2 = 0.953) for D. russelli and M. cordyla respectively. The growth pattern was found to be positive allometric in D. russelli and isometric in M. cordyla.

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The length-weight relationships (LWR) of two species of carangids viz., Decapterus russelli and Megalaspis cordyla were worked out for male and female separately. No significant difference was observed in growth between sexes for both the species. Therefore, common equations were derived for both the sexes as W = 0.005975 L3.1680 (R2 = 0.899) and W = 0.008577 L3.0162 (R2 = 0.953) for D. russelli and M. cordyla respectively. The growth pattern was found to be positive allometric in D. russelli and isometric in M. cordyla.

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Available abstract

The length-weight relationships (LWR) of two species of carangids viz., Decapterus russelli and Megalaspis cordyla were worked out for male and female separately. No significant difference was observed in growth between sexes for both the species. Therefore, common equations were derived for both the sexes as W = 0.005975 L3.1680 (R2 = 0.899) and W = 0.008577 L3.0162 (R2 = 0.953) for D. russelli and M. cordyla respectively. The growth pattern was found to be positive allometric in D. russelli and isometric in M. cordyla.

Key concepts: Biology, Allometry, Isometric exercise, Zoology, Veterinary medicine, Anatomy, Ecology, Physiology

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Comparative length-weight relationship of two species of carangids Decapterus russelli (Ruppell, 1830) and Megalaspis cordyla (Linnaeus, 1758) from Mumbai waters — Research Paper | ScholarLens