1. Japanese catadromous fourspine sculpin, Rheopresbe kazika (Jordan & Starks) (Pisces: Cottidae), transferred from the genus Cottus

   • Akira Goto
   • Ryota Yokoyama
   • Harumi Sakai

   OriginalPaper 09 November 2019 Pages: 213 - 220

   

2. Correction to: Japanese catadromous fourspine sculpin, Rheopresbe kazika (Jordan & Starks) (Pisces: Cottidae), transferred from the genus Cottus

   • Akira Goto
   • Ryota Yokoyama
   • Harumi Sakai

   Correction 17 January 2020 Pages: 221 - 222

3. Quantifying genome-wide cytosine methylation in response to hypoxia in the gills, muscle, and brain of an African cichlid fish

   • Erika Crispo
   • Pamela D. Suman
   • Lauren J. Chapman

   OriginalPaper 20 January 2020 Pages: 223 - 232

   

4. Environmental correlates of circannual breeding periodicity in a multi-species assemblage of Amazonian electric fishes

   • Joseph C. Waddell
   • William G.R. Crampton

   OriginalPaper 29 January 2020 Pages: 233 - 250

   

5. 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. Nemerson
   • Kenneth W. Able

   OriginalPaper 11 February 2020 Pages: 251 - 268

   

6. Size-dependent changes in habitat use of Japanese eel Anguilla japonica during the river life stage

   • Manabu Kume
   • Yuki Terashima
   • Yoh Yamashita

   OriginalPaper 08 February 2020 Pages: 269 - 281

   

7. Genetic population structure and demographic history of a pelagic lumpsucker, Aptocyclus ventricosus

   • Takumi Okazaki
   • Duane E. Stevenson
   • Yoh Yamashita

   BriefCommunication 10 February 2020 Pages: 283 - 289

   

8. Landlocked Pacific Lamprey Entosphenus tridentatus in the Middle Fork Willamette River, Oregon

   • Douglas C. Larson
   • Matt Helstab
   • Benjamin J. Clemens

   BriefCommunication 07 February 2020 Pages: 291 - 298