1. Ontogenetic habitat shifts and vulnerability: lake-outlet-spawning sockeye salmon (Oncorhynchus nerka) sensitivity to habitat connectivity and hydrologic change

   • Elissa K. Sweeney-Bergen
   • Donna Macintyre
   • Jonathan W. Moore

   OriginalPaper 07 April 2021 Pages: 383 - 399

   

2. Aggregation site fidelity and movement patterns of the protected marine predator giant sea bass (Stereolepis gigas)

   • Alyssa J. Clevenstine
   • Christopher G. Lowe

   OriginalPaper 10 April 2021 Pages: 401 - 417

   

3. Patterns and consequences of life history diversity in salinity exposure of an estuarine dependent fish

   • T. Reid Nelson
   • Crystal L. Hightower
   • Sean P. Powers

   OriginalPaper Open access 20 March 2021 Pages: 419 - 436

   

4. Patterns and partitioning of food resources by elasmobranchs in southern Brazil

   • Maiara A. Hayata
   • Hugo Bornatowski
   • Renato H. A. Freitas

   OriginalPaper 05 April 2021 Pages: 437 - 450

   

5. Fore reef location influences spawning success and egg predation in lek-like mating territories of the bird wrasse, Gomphosus varius

   • A. M. Gill
   • E. C. Franklin
   • T. J. Donaldson

   OriginalPaper Open access 02 April 2021 Pages: 451 - 461

   

6. Validation of manual semen collection methods and sperm evaluation in living freshwater stingrays (Potamotrygon falkneri) kept in ex situ conditions

   • Fabiana Lúcia André Padilha
   • Helen Colbachini
   • Cristiane Schilbach Pizzutto

   OriginalPaper 07 April 2021 Pages: 463 - 469

   

7. Environmental enrichment effects on the reproductive behavior of captive nurse sharks Ginglymostoma cirratum

   • Helen Colbachini
   • Cristiane Schilbach Pizzutto
   • Otto Bismarck Fazzano Gadig

   OriginalPaper 07 April 2021 Pages: 471 - 488

   

8. Increased acute thermal tolerance and little change to hematology following acclimation to warm water in juvenile Striped Bass, Morone saxatilis

   • F. M. Penny
   • S. A. Pavey

   OriginalPaper 13 April 2021 Pages: 489 - 500

   

9. Blue sucker habitat use in a regulated Texas river: implications for conservation and restoration

   • Matthew R. Acre
   • Timothy B. Grabowski
   • Jessica E. Pease

   OriginalPaper 21 April 2021 Pages: 501 - 516

   

10. Estuaries – how challenging are these constantly changing aquatic environments for associated fish species?

    • Alan K. Whitfield

    ReviewPaper 06 April 2021 Pages: 517 - 528

    

11. River to river: First evidence of eel movement between distant rivers via the sea

    • Manabu Kume
    • Naoki Nakayama
    • Hiromichi Mitamura

    BriefCommunication 03 April 2021 Pages: 529 - 533