1. Cryophilic Tardigrada have disjunct and bipolar distribution and establish long-term stable, low-density demes

   • Krzysztof Zawierucha
   • Eva Štefková Kašparová
   • Karel Janko

   Original Paper Open access 11 August 2023 Pages: 1011 - 1027

   

2. First description of the incubation pattern of an endemic and endangered marine duck species, the Chubut steamerduck (Tachyeres leucocephalus), and related environmental characteristics

   • María Laura Agüero
   • Eliana Lorenti
   • Verónica D’Amico

   Original Paper 21 July 2023 Pages: 1029 - 1037

   

3. Diverse marine benthic communities and reduced anthropogenic contaminants near Scott Base (Hut Point Peninsula, Ross Island, Antarctica)

   • Andrew M. Lohrer
   • Stephanie Mangan
   • Leigh W. Tait

   Original Paper Open access 08 August 2023 Pages: 1039 - 1052

   

4. Behavioral and physiological stress responses of barren-ground caribou (Rangifer tarandus groenlandicus) to industrial ice roads

   • A. Smith
   • C. J. Johnson
   • K. Clark

   Original Paper 02 August 2023 Pages: 1053 - 1067

   

5. Are there distribution patterns and population structure differences among demersal fish species in relation to Antarctic benthic communities? A case study in the Weddell Sea

   • Patricia Baena
   • Andreu Santín
   • Stefano Ambroso

   Original Paper Open access 11 August 2023 Pages: 1069 - 1082

   

6. Environmental drivers of eukaryotic plankton and fish biodiversity in an Arctic fjord

   • Virginie Marques
   • Christel Hassler
   • Loïc Pellissier

   Original Paper Open access 05 August 2023 Pages: 1083 - 1096

   

7. Visitor and vagrant seabirds admitted for rehabilitation in South Africa, 1993–2017

   • A. Snyman
   • R. E. T. Vanstreels
   • K. Ludynia

   Original Paper 09 August 2023 Pages: 1097 - 1110

   

8. Can penguins (Spheniscidae) see in the ultraviolet spectrum?

   • Peter W. Hadden
   • Misha Vorobyev
   • Jie Zhang

   Original Paper Open access 19 August 2023 Pages: 1111 - 1121

   

9. A new ostracod species of the genus Xestoleberis from Nansen Island, Wilhelmina Bay, Southern Ocean, Antarctica

   • Okan Külköylüoğlu

   Original Paper 17 August 2023 Pages: 1123 - 1136

   

10. New strategies for the new environment in Spitsbergen fjords (Arctic). Scattering of the feather star Heliometra glacialis (Echinodermata, unstalked crinoid) clinging to a crab

    • Kajetan Deja
    • Katarzyna Dragańska-Deja
    • Jan Marcin Wesławski

    Brief Report Open access 08 July 2023 Pages: 1137 - 1143

    

11. Length–weight relationships and condition factors of six notothenioid fish species occurring off King George Island and Northern Victoria Land (Antarctica)

    • Jihun Kim
    • Seungyeon Lee
    • Jin-Hyoung Kim

    Brief Report Open access 15 July 2023 Pages: 1145 - 1150

    

12. Behavior of Arctic fourhorn sculpin (Myoxocephalus quadricornis) beneath winter sea ice assessed with passive acoustic telemetry in Tremblay Sound (Baffin Island, Canada)

    • Nathan T. Hermann
    • Lars J. Hammer
    • Nathan B. Furey

    Brief Report 29 July 2023 Pages: 1151 - 1158

    

13. A case of melanism in a Gentoo Penguin (Pygoscelis papua) at Esperanza/Hope Bay, Antarctica

    • Rocio Nigro
    • Anahí M. Silvestro
    • Pamela Di Marco

    Brief Report 14 August 2023 Pages: 1159 - 1162