Fig. 10

Vimba bream (Vimba vimba) captured with nets and by hand in a stream at Strömsberg in Finland 1926 (Photo Curt Segerstråle, The Society of Swedish Literature in Finland, Helsinki)
Vimba bream (Vimba vimba) captured with nets and by hand in a stream at Strömsberg in Finland 1926 (Photo Curt Segerstråle, The Society of Swedish Literature in Finland, Helsinki)