1. Care and propagation of captive pupfish from the genus Cyprinodon: insight into conservation

   • George C. Burg
   • Jaimie Johnson
   • Frank van Breukelen

   OriginalPaper 22 June 2019 Pages: 1015 - 1024

   

2. Individual habitat use and behavior of acoustically-tagged juvenile green sturgeon in the Sacramento-San Joaquin Delta

   • Michael J. Thomas
   • Matthew L. Peterson
   • A. Peter Klimley

   OriginalPaper Open access 28 June 2019 Pages: 1025 - 1037

   

3. Behavior and thermal environment of Chinook salmon Oncorhynchus tshawytscha in the North Pacific Ocean, elucidated from pop-up satellite archival tags

   • Michael B. Courtney
   • Mark D. Evans
   • Andrew C. Seitz

   OriginalPaper 22 June 2019 Pages: 1039 - 1055

   

4. Have a break or keep going - behavioral and metabolic overwintering strategies of two invasive species of the river Rhine, Germany

   • Rodrigo Fortes Silva
   • Katja Heubel
   • Jost Borcherding

   OriginalPaper 22 June 2019 Pages: 1057 - 1068

   

5. Insights from an individual based model of a fish population on a large regulated river

   • Peter N. Dudley

   OriginalPaper 29 June 2019 Pages: 1069 - 1095

   

6. Intra and not interspecific competition drives intra-populational variation in resource use by a neotropical fish species

   • Angélica Mendes
   • Izaias Médice Fernandes
   • Lúcia Mateus

   OriginalPaper 21 June 2019 Pages: 1097 - 1105

   

7. Population genetic evidence for a unique resource of Nile tilapia in Lake Tanganyika, East Africa

   • Asilatu Shechonge
   • Benjamin P. Ngatunga
   • Martin J. Genner

   OriginalPaper 04 July 2019 Pages: 1107 - 1117

   

8. Feeding habits and ecological role of the freshwater stingray Potamotrygon magdalenae (Duméril 1865) (Myliobatiformes: Potamotrygonidae), combining gut-content and stable isotope analysis

   • Viviana Márquez-Velásquez
   • Ricardo S. Rosa
   • Andrés F. Navia

   OriginalPaper 04 July 2019 Pages: 1119 - 1136