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The taxonomy of sin croaker Johnieops sina (Cuvier) in Iraqi marine waters, North-West Arabian Gulf | ||
| Basrah Journal of Agricultural Sciences | ||
| Article 4, Volume 26, 2 (special Issue), 2013, Pages 55-71 PDF (0 K) | ||
| DOI: 10.33762/bagrs.2013.111664 | ||
| Authors | ||
| A. R. M. Mohamed; A. K. T. Yesser; A. H. J. Abdullah | ||
| Abstract | ||
| The sin croaker, Johnieops sina (Cuvier) from Iraqi marine water was classified based on biometry characteristics, head bones, gasbladder and electrophoretic analysis of lateral muscle proteins by SDS-PAGE during the period from December 2009 to November 2010. The morphometric characters were calculated as numerical ratio to standard length and head length. The indices characters associated with standard length ranged from 7% of eye diameter to 122% of total length, and for head length ranged from 22% of eye diameter to 91% of head depth. The correlation values of most morphometric characters with standard length and head length were high (0.960-0.998). The otolith with a tadpole-shaped impression, of which the head was obliquely truncate and the tail was deepened as a hollow cone. The gasbladder was hammer shaped with 12-14 pairs of arborescent appendages. The number of protein bands in the lateral muscles of J. sina was found to be 5 and their molecular weights were 6.19, 18.19, 7.56, 6.72 and 1.27 μg respectively. The study revealed that the fishes under the study belonged to species sin croacker, J. sina. | ||
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