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Turkish Journal of Fisheries and Aquatic Sciences 2014, Vol 14, Num, 1     (Pages: 183-192)

Age- Dependent Changes of Mediterranean Trachurus mediterraneus Male and Female from Coastal Waters of Sevastopol (Black Sea, Ukraine)

Natalya Kuzminova 1 ,Irina Dorokhova 1 ,Irina Rudneva 1

1 Institute of Biology of the Southern Seas, National Ukrainian Academy of Sciences, Ichthyology Department, Sevastopol, Ukraine DOI : 10.4194/1303-2712-v14_1_20 Viewed : 1209 - Downloaded : 1011 Age-and sex-dependent characteristics of Mediterranean horse mackerel Trachurus mediterraneus from Sevastopol coastal waters (Black Sea, Ukraine) at the period of 2008-2010 were studied. The alanin- and aspartataminotransferase (ALT and AST) activities in the liver and oligopeptides concentration in blood were measured in male and female at the age of 1-3 years. Significant age-dependent changes were evidenced, while the sex differences were not significant. The results can be applied for development of monitoring management and for perspectives of conservation ecology and biodiversity. Keywords : Horse mackerel, Black Sea, age, sex, size, liver, blood, aminotransferases, oligopeptides