Japanese catadromous fourspine sculpin, Rheopresbe kazika (Jordan & Starks) (Pisces: Cottidae), transferred from the genus Cottus Akira GotoRyota YokoyamaHarumi Sakai OriginalPaper 09 November 2019 Pages: 213 - 220
Correction to: Japanese catadromous fourspine sculpin, Rheopresbe kazika (Jordan & Starks) (Pisces: Cottidae), transferred from the genus Cottus Akira GotoRyota YokoyamaHarumi Sakai Correction 17 January 2020 Pages: 221 - 222
Quantifying genome-wide cytosine methylation in response to hypoxia in the gills, muscle, and brain of an African cichlid fish Erika CrispoPamela D. SumanLauren J. Chapman OriginalPaper 20 January 2020 Pages: 223 - 232
Environmental correlates of circannual breeding periodicity in a multi-species assemblage of Amazonian electric fishes Joseph C. WaddellWilliam G.R. Crampton OriginalPaper 29 January 2020 Pages: 233 - 250
Diel and tidal influences on the abundance and food habits of four young-of-the-year fish in Delaware Bay, USA, marsh creeks David M. NemersonKenneth W. Able OriginalPaper 11 February 2020 Pages: 251 - 268
Size-dependent changes in habitat use of Japanese eel Anguilla japonica during the river life stage Manabu KumeYuki TerashimaYoh Yamashita OriginalPaper 08 February 2020 Pages: 269 - 281
Genetic population structure and demographic history of a pelagic lumpsucker, Aptocyclus ventricosus Takumi OkazakiDuane E. StevensonYoh Yamashita BriefCommunication 10 February 2020 Pages: 283 - 289
Landlocked Pacific Lamprey Entosphenus tridentatus in the Middle Fork Willamette River, Oregon Douglas C. LarsonMatt HelstabBenjamin J. Clemens BriefCommunication 07 February 2020 Pages: 291 - 298