1. Potential role of priming effect in the open ocean oxygen minimum zones: an outlook

   • P. Ragavan
   • Sanjeev Kumar

   Opinion Paper 26 March 2021 Pages: 2437 - 2448

   

2. Environmental determinants of fish abundance in the littoral zone of gravel pit lakes

   • S. Matern
   • T. Klefoth
   • R. Arlinghaus

   Primary Research Paper Open access 05 April 2021 Pages: 2449 - 2471

   

3. Use of otolith microchemistry to identify subbasin natal origin and use by invasive Lake Trout in Yellowstone Lake

   • Kole P. Stewart
   • Thomas E. McMahon
   • Robert Humston

   Primary Research Paper 04 April 2021 Pages: 2473 - 2481

   

4. Assessing biological traits of Amazonian high-value fishes through Local Ecological Knowledge of urban and rural fishers

   • Samantha Aquino Pereira
   • Rayanna Graziella Amaral da Silva
   • Caroline C. Arantes

   Primary Research Paper 09 April 2021 Pages: 2483 - 2504

   

5. Trophic complexity of small fish in nearshore food webs

   • Holly A. Wellard Kelly
   • Katya E. Kovalenko
   • Heidi M. Rantala

   Primary Research Paper 08 April 2021 Pages: 2505 - 2521

   

6. Invasion of floating fern alters freshwater macroinvertebrate community structure with implications for bottom-up processes

   • Charles Wahl
   • Michael Kaller
   • Rodrigo Diaz

   Primary Research Paper 30 March 2021 Pages: 2523 - 2537

   

7. Same resource, different benefits: hermit crab shell structure advantages owners, but not intruders in agonistic interactions

   • Luis M. Burciaga
   • Aldair Alvarez
   • Guillermina Alcaraz

   Primary Research Paper 24 March 2021 Pages: 2539 - 2550

   

8. Modern chironomids (Diptera: Chironomidae) and the environmental variables that influence their distribution in the Araucanian lakes, south-central Chile

   • Alejandra Martel-Cea
   • Giselle Andrea Astorga
   • Ana María Abarzúa

   Primary Research Paper 05 April 2021 Pages: 2551 - 2568

   

9. The Ponto-Caspian parasite Plagioporus cf. skrjabini reaches the River Rhine system in Central Europe: higher infestation in the native than in the introduced Danubian form of the gastropod Theodoxus fluviatilis

   • Louisa Marie Rothmeier
   • René Sahm
   • Andreas Martens

   Primary Research Paper Open access 09 April 2021 Pages: 2569 - 2578

   

10. Spatial ecology of freshwater eels in South Africa: implications for conservation

    • Céline Hanzen
    • Martyn C. Lucas
    • Colleen T. Downs

    Primary Research Paper 14 April 2021 Pages: 2579 - 2593

    

11. Site fidelity and seasonal habitat preferences of largemouth bass (Micropterus salmoides) in a temperate regulated reservoir

    • Christopher M. Bunt
    • Bailey Jacobson
    • Bailey McMeans

    Primary Research Paper 22 April 2021 Pages: 2595 - 2609

    

12. Dancing on the top: phylogeography and genetic diversity of high-altitude freshwater fairy shrimps (Branchiopoda, Anostraca) with a focus on the Tibetan Plateau

    • Zhixiong Deng
    • Yating Chen
    • Mingbo Yin

    Primary Research Paper 19 April 2021 Pages: 2611 - 2626