Supplementary Material

Supplementary figures and tables.

Figure S1. Example picture for a water section from the Weschnitz catchment (Kreuzlachgraben).

Figure S2. Example picture for a water section from the Schwarzbach catchment (Mönchbruch).

Figure S3. Example picture for a water section from the Rhein catchment (Rohrlachgraben).

Figure S4. Example picture for a water section from the Streitgraben catchment (Streitgraben).

Figure S5. Detail picture of a water section from the Streitgraben catchment (Streitgraben).

Figure S6. Picture taken during broodstock sampling using drum-shaped fish traps.

Figure S7. Example picture of a tank used for acclimation of caught weatherfish spawners.

Figure S8. Picture taken during the fertilization of stripped weatherfish eggs, using the dry method.

Figure S9. Example picture of caught weatherfish spawners.

Figure S10. Detail picture of weatherfish spawners (female on the left; male on the right).

Figure S11. Example picture of juvenile weatherfish prior to stocking.

Figure S12. Detail picture of juvenile weatherfish prior to stocking.

Figure S13. Example picture of weatherfish stocking in a water section of the Speyerbach catchment.

Figure S14. Detail picture taken during the release of juvenile weatherfish in a water section of the Speyerbach catchment.

Table S1. Overview of all sites investigated during the initial monitoring, including the dates of examination, the names of the catchments, the GPS coordinates, the number of investigated sectors per site, the used catching method, the catching effort (i.e. number of fish traps and electro-fishing distance, respectively) and the number of caught weatherfish per site.

Table S2: Completed “re-establishment questionnaire” according to the slightly adapted template from Lee & Hughes (2008).

© B. Schreiber et al., Published by EDP Sciences 2018