Figure 6
![Figure 6](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F2050-3385-1-3/MediaObjects/40317_2012_Article_3_Fig6_HTML.jpg)
Photos of the Økland-Westerberg anchor implant method used to attach pop-up satellite archival transmitters to European silver eel.
Photos of the Økland-Westerberg anchor implant method used to attach pop-up satellite archival transmitters to European silver eel.