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Abstract <p>In the summer and autumn period of 2024, an association of consort type with the environment-forming species <i>Cradoscrupocellaria</i> cf. <i>bertholletii</i> (Audouin, 1826) (Bryozoa) not typical for the Black Sea was studied on an oyster farm near Sevastopol. Macrophytes were not found in the association. Thirty-eight macrozoobenthos species belonging to Polychaeta, Decapoda, Amphipoda, Bivalvia, Gastropoda, Tanaidacea, and Pantopoda have been recorded. Four species that are invasive to the Black Sea <i>Anadara kagoshimensis</i> (Tokunaga, 1906), <i>Stenothoe</i> cf. <i>tergestina</i>, <i>Caprella</i> cf. <i>equilibra</i>, and <i>Hydroides dianthus</i> (Verrill, 1873) have been discovered. <i>Caprella</i> cf<i>. equilibra</i> was an abundant species; <i>Stenothoe</i> cf<i>. tergestina</i> was the dominant one. Analysis of the sexual structure of the populations showed the predominance of females of <i>Stenothoe</i> cf. <i>tergestina</i>. The ratio of males and females of <i>Caprella</i> cf. <i>equilibra</i> was 1 : 1, which confirms the stable state of the population of this species. The polychaete invaders <i>Hydroides dianthus</i> have been found in colonies of bryozoans attached to the shells of mollusks.</p>

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Alien Species in the Association of the Consort Type Cradoscrupocellaria cf. bertholletii (Audouin, 1826) (Candidae, Bryozoa)

  • 期刊论文

  • 发表日期：

    2025年12月24日

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  • V. A. Grintsov,
  • V. A. Timofeev,
  • E. V. Lisitskaya

摘要

Abstract

In the summer and autumn period of 2024, an association of consort type with the environment-forming species Cradoscrupocellaria cf. bertholletii (Audouin, 1826) (Bryozoa) not typical for the Black Sea was studied on an oyster farm near Sevastopol. Macrophytes were not found in the association. Thirty-eight macrozoobenthos species belonging to Polychaeta, Decapoda, Amphipoda, Bivalvia, Gastropoda, Tanaidacea, and Pantopoda have been recorded. Four species that are invasive to the Black Sea Anadara kagoshimensis (Tokunaga, 1906), Stenothoe cf. tergestina, Caprella cf. equilibra, and Hydroides dianthus (Verrill, 1873) have been discovered. Caprella cf. equilibra was an abundant species; Stenothoe cf. tergestina was the dominant one. Analysis of the sexual structure of the populations showed the predominance of females of Stenothoe cf. tergestina. The ratio of males and females of Caprella cf. equilibra was 1 : 1, which confirms the stable state of the population of this species. The polychaete invaders Hydroides dianthus have been found in colonies of bryozoans attached to the shells of mollusks.