Appendicularia in the Bering, Okhotsk, Chukchi Seas and North Pacific and their significance for feeding of nekton by A. F. Volkov

“…The total biomass of larvaceans is below the stocks of dominant groups in the large-sized zooplankton, as copepods, euphausiids, arrowworms, amphipods, and coelenterates, but accounted together with their shells (called «houses») they form a comparable stock. …”
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Establishment and characterization of biofloc culture for marbled crayfish by Vitor Coutinho Carneiro, Vitor Coutinho Carneiro, Ines Schäfer, J. Jaime Diaz-Larrosa, Elias Böhl, Thomas Hahn, Jule Hempelmann, Geetha Venkatesh, Sanjanaa Nagarajan, Suki Roy, Yi Long Ng, Florian Böhl, Susanne Zibek, Frank Lyko

“…Metagenomic analysis revealed that biofloc communities consisted mostly of beneficial Gammaproteobacteria and Bacillariophyceae, with variations by environmental factors, such as temperature and light exposure. …”
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Population structure and density of a new invasive species Rangia cuneata in the Szczecin Lagoon (Odra/Oder estuary, Poland) by Przemysław Czerniejewski, Jarosław Dąbrowski, Adam Brysiewicz, Krzysztof Formicki

“…In the Baltic Sea, it is mostly found along the southeastern coast, but in 2018 researchers also discovered the species in the Bay of Pomerania, which indicated that it could eventually inhabit the adjacent Szczecin Lagoon and Odra River. …”
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Some features of the pale sea urchin (<i>Strongylocentrotus pallidus</i>) biology in Peter the Great Bay (Japan Sea) by Maria O. Chalienko, Marianna V. Kalinina

“…Age of sea urchins was determined by the growth zones on plates of their shells processed by Jensen method and varied from 3 to 12 years. …”
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