1. The taxonomic identity and distribution of the eel cod Muraenolepis (Gadiformes: Muraenolepididae) around South Georgia and the South Sandwich Islands

   • E. Fitzcharles
   • P. R. Hollyman
   • M. A. Collins

   Original Paper 26 February 2021 Pages: 637 - 651

   

2. Early detection of marine non-indigenous species on Svalbard by DNA metabarcoding of sediment

   • Martine J. van den Heuvel-Greve
   • Anneke M. van den Brink
   • Albertinka J. Murk

   Original Paper Open access 25 February 2021 Pages: 653 - 665

   

3. Bioerosion ichnodiversity in barnacles from the Ross Sea, Antarctica

   • Neele Meyer
   • Max Wisshak
   • André Freiwald

   Original Paper Open access 05 March 2021 Pages: 667 - 682

   

4. Carbon dioxide isotopic compositions during tundra ecosystem respiration and photosynthesis in relation to environmental variables in maritime Antarctica

   • Pei Wang
   • Renbin Zhu
   • Hua Xu

   Original Paper 26 February 2021 Pages: 683 - 700

   

5. Reduced seasonal sea ice and increased sea surface temperature change prey and foraging behaviour in an ice-obligate Arctic seabird, Mandt’s black guillemot (Cepphus grylle mandtii)

   • G. J. Divoky
   • E. Brown
   • K. H. Elliott

   Original Paper 09 March 2021 Pages: 701 - 715

   

6. Un-crewed aerial vehicle population survey of three sympatrically breeding seabird species at Signy Island, South Orkney Islands

   • M. J. Dunn
   • S. Adlard
   • N. Ratcliffe

   Original Paper Open access 03 March 2021 Pages: 717 - 727

   

7. Striae in the Antarctic scallop Adamussium colbecki provide environmental insights but not reliable age increments

   • Kelly E. Cronin
   • Sally E. Walker
   • Samuel S. Bowser

   Original Paper 05 March 2021 Pages: 729 - 738

   

8. Abundance, habitat use and food consumption of seabirds in the high-Arctic fjord ecosystem

   • Lech Stempniewicz
   • Michał Goc
   • Jan Marcin Węsławski

   Original Paper Open access 04 March 2021 Pages: 739 - 750

   

9. Age of black dogfish (Centroscyllium fabricii) estimated from fin spines growth bands and eye lens bomb radiocarbon dating

   • R. Hedeholm
   • T. Qvist
   • P. Grønkjær

   Original Paper 08 March 2021 Pages: 751 - 759

   

10. Distribution of rorquals and Atlantic cod in relation to their prey in the Norwegian high Arctic

    • Hiroko K. Solvang
    • Tore Haug
    • Ulf Lindstrøm

    Original Paper Open access 14 March 2021 Pages: 761 - 782

    

11. Density and distribution of euphausiid larvae in the Scotia Sea in the 2011 summer

    • Rombolá E.
    • Franzosi C.
    • Marschoff E.

    Original Paper 18 March 2021 Pages: 783 - 794

    

12. Feeding in spatangoids: the case of Abatus Cordatus in the Kerguelen Islands (Southern Ocean)

    • Pierre-Yves Pascal
    • Yann Reynaud
    • Thomas Saucede

    Original Paper 17 March 2021 Pages: 795 - 808

    

13. Combining survey and remotely sensed environmental data to estimate the habitat associations, abundance and distribution of breeding thin-billed prions Pachyptila belcheri and Wilson’s storm-petrels Oceanites oceanicus on a South Atlantic tussac island

    • Allan W. Stokes
    • Paulo Catry
    • Ewan D. Wakefield

    Original Paper Open access 18 March 2021 Pages: 809 - 821

    

14. 16S rRNA gene and 18S rRNA gene diversity in microbial mat communities in meltwater ponds on the McMurdo Ice Shelf, Antarctica

    • Eleanor E. Jackson
    • Ian Hawes
    • Anne D. Jungblut

    Original Paper Open access 18 March 2021 Pages: 823 - 836

    

15. Multi-scale temporal variability in biological-physical associations in the NE Chukchi Sea

    • Silvana Gonzalez
    • John K. Horne
    • Seth L. Danielson

    Original Paper 18 March 2021 Pages: 837 - 855

    

16. Glycoside hydrolases from the tunics of two Antarctic ascidians (Ascidia challengeri and Pyura bouvetensis) and the tropical species Phallusia nigra

    • Elisa K. S. Ramos
    • Stéfanie C. L. dos Santos
    • Cecilia N. K. Suda

    Short Note 13 March 2021 Pages: 857 - 863

    

17. Status of pinnipeds on mid-Atlantic ridge islands, South Atlantic Ocean

    • M. N. Bester

    Short Note 09 March 2021 Pages: 865 - 871

    

18. Correction to: Detection of the phycotoxin pectenotoxin-2 in waters around King George Island, Antarctica

    • Bernd Krock
    • Irene R. Schloss
    • Mona Hoppenrath

    Correction Open access 08 March 2021 Pages: 873 - 873