Fig. 3
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13002-019-0345-9/MediaObjects/13002_2019_345_Fig3_HTML.png)
Typical sea lamprey fisher after a fishing trip operated by a small inland boat (< 6 m), through drifting trammel nets (lampreeira) in the fishing village of Lanhelas, Portugal. Photo: Braga. H.O. (Images published with the prior consent of participants)