Funding for this research was provided by:
Russian Science Foundation (18-44-06201)
Ministry of Science and Higher Education of the Russian Federation (6.1387.2017/4.6)
Deutscher Akademischer Austauschdienst (no number)
Helmholtz Association and the Russian Foundation for Basic Research (HRJRG-221)
Received: 4 February 2019
Accepted: 27 June 2019
First Online: 8 July 2019
Ethics approval and consent to participate
: The sampled amphipod species are neither endangered nor protected, and specific permissions for samplings were not required.
: Not applicable.
: The authors declare that they have no competing interest.