Complete information on all the newly collected material and museum samples examined by Sikorski et al (2021): Tables S1−S4. Table S4 also includes reliable records reported by Dağli et al. (2011), Çi
Sampling location data and museum registration numbers of newly collected material of Spiophanes spp.; museum samples examined during this study; material from the Norwegian, North, Mediterranean and
The number of fish swabs collected from each fish species in each site. Sites are sorted according to stream and basin. Fish species are sorted by family or tribe. Site codes correspond with Fig. 1. N