Details Details PDF BIBTEX RIS Title First record of Moerisia cf. inkermanica Paltschikowa-Ostroumowa, 1925 (Hydrozoa, Moerisiidae) in the Gulf of Gdańsk (southern Baltic Sea) Journal title Oceanologia Yearbook 2025 Volume Vol. 67 Issue No 4 Authors Olenycz, Michał ; Kalarus, Marcin Affiliation Olenycz, Michał : Gdynia Maritime University, Roberta de Plelo 20, 80–548, Gdańsk, Poland ; Kalarus, Marcin : Gdynia Maritime University, Roberta de Plelo 20, 80–548, Gdańsk, Poland Keywords Hydromedusae ; Non-native species ; Species introduction ; Ballast water Divisions of PAS Nauki o Ziemi Coverage 1-8 Publisher Instytut Oceanologii PAN ; Komitet Badań Morza PAN Date 15.12.2025 Type Article Identifier ISSN 0078-3234