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Age, Growth, Maturation, and Mortality of Grass Goby Zosterisessor ophiocephalus (Gobiidae) of the Karkinitsky Gulf, the Black Sea


The sex and size-age structure, growth, maturation, and mortality of grass goby Zosterisessor ophiocephalus have been studied in the Karkinitsky Gulf of the Black Sea. The ratio of males and females in the catches is 1.00:0.57; the maximum total length of females is 23.1 cm, age is 5 years, of males, 24.4 cm and 6 years. There are no differences in growth rates in males and females. The values of the parameters of the von Bertalanffy equation have been calculated for both sexes; the asymptotic length is 28.7 cm, asymptotic weight, 199.9 g, growth coefficient, 0.30 year–1; 50% of females mature at a length of 12.26 cm, males, 12.99 cm, at the age of 1+. The total, natural and fishing mortality rates are 0.91, 0.61, and 0.30 year–1, respectively. Z. ophiocephalus of the Karkinitsky Gulf differs from the Mediterranean populations by its higher growth rate, larger maximum sizes, and earlier age of maturation.

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The work was performed within the framework of the State Assignments “Patterns of Formation and Anthropogenic Transformation of Biodiversity and Biological Resources of the Azov-Black Sea Basin and Other Regions of the World Ocean” (no. AAAA-A18-118020890074-2) and “Fundamental Studies of the Population Biology of Marine Animals, Their Morphological and Genetic Diversity "(no. AAAA-A19-119060690014-5).

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Translated by D. Martynova

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Kutsyn, D.N., Chesnokova, I.I., Danilyuk, O.N. et al. Age, Growth, Maturation, and Mortality of Grass Goby Zosterisessor ophiocephalus (Gobiidae) of the Karkinitsky Gulf, the Black Sea. J. Ichthyol. 62, 109–116 (2022).

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  • grass goby Zosterisessor ophiocephalus
  • growth
  • age
  • mortality
  • maturation
  • Karkinitsky Gulf
  • Black Sea