In Memoriam: Nicolaas Johannes Marie (Niek) Gremmen (July 13, 1948–August 11, 2019) Ad HuiskesSteven L. Chown Obituary 28 January 2020 Pages: 87 - 87
Rosa, Luiz Henrique Rosa (ed): Fungi of Antarctica: diversity, ecology and biotechnological applications Nathan Smith Review 09 January 2020 Pages: 89 - 90
Macroscopic characteristics facilitate identification of common Antarctic glass sponges (Porifera, Hexactinellida, Rossellidae) Luisa FederwischDorte JanussenClaudio Richter Original Paper Open access 21 January 2020 Pages: 91 - 110
Regional breeding bird assessment of the Antarctic Peninsula Michael B. SchrimpfChristian Che-CastaldoHeather J. Lynch Original Paper 18 December 2019 Pages: 111 - 122
Update of the population size and breeding performance of gentoo penguins (Pygoscelis papua) at Stranger Point/Cabo Funes, South Shetland Islands Mariana A. JuáresRicardo CasauxMercedes M. Santos Original Paper 21 December 2019 Pages: 123 - 129
Shorter but thicker: analysis of internal growth bands in shells of intertidal vs. subtidal Antarctic limpets, Nacella concinna, reflects their environmental adaptation Betina J. LomovaskyM. Carla de AranzamendiDoris Abele Original Paper 01 January 2020 Pages: 131 - 141
Biological parameters of the High-Antarctic icefish, Cryodraco antarcticus (Channichthyidae) from the South Shetland Islands Mario La MesaFederico CalìChristopher D. Jones Original Paper 04 January 2020 Pages: 143 - 155
Structure and function of respiratory turbinates in phocid seals Matthew J. MasonLéa M. D. WengerArnoldus S. Blix Original Paper Open access 13 January 2020 Pages: 157 - 173
Energetics and development modes of Asteroidea (Echinodermata) from the Southwestern Atlantic Ocean including Burdwood Bank/MPA Namuncurá Cintia P. FraysseAnalía F. PérezClaudia C. Boy Original Paper 22 January 2020 Pages: 175 - 186
Unmanned aerial vehicle (UAV) survey of the Antarctic shag (Leucocarbo bransfieldensis) breeding colony at Harmony Point, Nelson Island, South Shetland Islands W. Chris OosthuizenLucas KrügerAndrew D. Lowther Short Note 02 January 2020 Pages: 187 - 191