Feeding trends of Psalidodon paranae in an impacted Neotropical basin: a multifactor and integrative approach Kathleen Angélica RautenbergEstevan Luiz da SilveiraAndré Martins Vaz-dos-Santos OriginalPaper 10 February 2021 Pages: 89 - 105
Seasonal change in male reproductive investment of a fish Shingo FujimotoSatoshi TakedaKazunori Yamahira OriginalPaper 05 February 2021 Pages: 107 - 118
Ecomorphological variation of pumpkinseed sunfish (Lepomis gibbosus) in exposed littoral shoreline habitat of a postglacial lake Will M. C. JarvisColby B. NolanBeren W. Robinson OriginalPaper 03 February 2021 Pages: 119 - 133
Homogenization of the timing of chum salmon returns in relation to hatchery transplantation Genki Sahashi OriginalPaper 08 February 2021 Pages: 135 - 142
Oxygen stress and reproduction do not impede aerobic performance in adult eastern mosquitofish (Gambusia holbrooki) Thomas J. CallaghanCraig R. WhiteMischa P. Turschwell OriginalPaper 08 February 2021 Pages: 143 - 154
Habitat dependent predation‐competition interaction shifts of invasive smallmouth bass (Micropterus dolomieu) and resident cyprinids in the Chikuma River, Nagano Japan Miles I. PetersonSatoshi Kitano OriginalPaper 18 February 2021 Pages: 155 - 169
Patterns of air-breathing behavior in juvenile armored catfish, Pterygoplichthys sp. (Gill 1858) M. A. GibbsA. ThorntonA. Crater OriginalPaper 23 February 2021 Pages: 171 - 180
Age, growth, and reproductive traits of two large emperor fishes, Lethrinus olivaceus and L. xanthochilus, around Yaeyama Islands, Okinawa, southern Japan Tamaki Shimose OriginalPaper 17 February 2021 Pages: 181 - 194
A crown for each monarch: a distinguishable pattern using photo‐identification Miguel CorreiaDaniela AntunesJorge Palma OriginalPaper 23 February 2021 Pages: 195 - 201
Artificially increased habitat complexity reduces predation-induced mortality for juvenile salmon in simplified environments Kouta MiyamotoMiloš ĐorđevićHitoshi Araki BriefCommunication 25 February 2021 Pages: 203 - 209