1. Sequential changes in the regulatory mechanism of carbohydrate digestion in larvae of the silkworm, Bombyx mori

   • Takumi Suzuki
   • Masafumi Iwami

   Original Paper 13 February 2021 Pages: 439 - 453

   

2. Effects of emersion on acid–base regulation, osmoregulation, and nitrogen physiology in the semi-terrestrial mangrove crab, Helice formosensis

   • Garett Joseph Patrick Allen
   • Min-Chen Wang
   • Dirk Weihrauch

   Original Paper 22 February 2021 Pages: 455 - 468

   

3. Does blood flow limit acute hypoxia performance in larval zebrafish (Danio rerio)?

   • M. C. Hughes
   • S. F. Perry

   Original Paper 12 February 2021 Pages: 469 - 478

   

4. Thermal tolerance and routine oxygen consumption of convict cichlid, Archocentrus nigrofasciatus, acclimated to constant temperatures (20 °C and 30 °C) and a daily temperature cycle (20 °C → 30 °C)

   • Cassidy J. Cooper
   • William B. Kristan III
   • John Eme

   Original Paper 15 February 2021 Pages: 479 - 491

   

5. Exposure to pH 3.5 water has no effect on the gills of the Amazonian tambaqui (Colossoma macropomum)

   • R. J. Gonzalez
   • M. L. Patrick
   • A. L. Val

   Original Paper 17 February 2021 Pages: 493 - 502

   

6. Daily rhythms in the morphometric parameters of hepatocytes and intestine of the European sea bass (Dicentrarchus labrax): influence of feeding time and hepatic zonation

   • Inmaculada Rodríguez
   • Mónica B. Betancor
   • Jose Fernando López-Olmeda

   Original Paper 23 February 2021 Pages: 503 - 515

   

7. Chronic social stress alters protein metabolism in juvenile rainbow trout, Oncorhynchus mykiss

   • Roxanne J. Saulnier
   • Carol Best
   • Simon G. Lamarre

   Original Paper Open access 12 March 2021 Pages: 517 - 530

   

8. Recovery from discrete wound severities in side-blotched lizards (Uta stansburiana): implications for energy budget, locomotor performance, and oxidative stress

   • Spencer B. Hudson
   • Emily E. Virgin
   • Susannah S. French

   Original Paper 13 February 2021 Pages: 531 - 543

   

9. Hot and covered: how dragons face the heat and thermoregulate

   • Ian R. G. Black
   • Laura K. Aedy
   • Glenn J. Tattersall

   Original Paper 18 February 2021 Pages: 545 - 552

   

10. Arterial wall thickening normalizes arterial wall tension with growth in American alligators, Alligator mississippiensis

    • Renato Filogonio
    • Benjamin D. Dubansky
    • Dane A. Crossley II

    Original Paper 24 February 2021 Pages: 553 - 562

    

11. Flight muscle and heart phenotypes in the high-flying ruddy shelduck

    • N. Parr
    • N. J. Dawson
    • L. A. Hawkes

    Original Paper 16 February 2021 Pages: 563 - 573

    

12. Heat tolerance in desert rodents is correlated with microclimate at inter- and intraspecific levels

    • Barry van Jaarsveld
    • Nigel C. Bennett
    • Andrew E. McKechnie

    Original Paper 27 February 2021 Pages: 575 - 588

    

13. Ancestral and developmental cold alter brown adipose tissue function and adult thermal acclimation in Peromyscus

    • Cayleih E. Robertson
    • Grant B. McClelland

    Original Paper 01 March 2021 Pages: 589 - 601

    

14. Reversible thrombocytopenia during hibernation originates from storage and release of platelets in liver sinusoids

    • Edwin L. de Vrij
    • Hjalmar R. Bouma
    • Robert H. Henning

    Original Paper Open access 04 March 2021 Pages: 603 - 615