Current amount of data

As of March 1st, 2023, Fish Trek contained original tagging records for 107,712 individually tagged fish representing 44 various species.

Based on submissions of recovered tags to date, the origin of 541 individuals has been determined based on recovered tags: 420 submissions came from the Elbe River system and two from the Baltic Sea. Furthermore, 47 tagged European eels were detected in the Fulda River during electrofishing efforts and two eels were detected downstream in the River Weser. 38 fish of various species have been reported from the River Rhine upstream of Basel, 12 from the Diemel, and 5 from the Wupper. Other single finds come from the Aare (CH), Lahn, Lipping Au and Mosel.

Most of the submissions comes from fishermen, around 74 %. Other notifiers are research and institutions as well as professional fishermen and fish dealers.

We would like to take this opportunity to thank all anglers and fishermen, fish vendors, restaurants, cooks, as well as attentive citizens who have all been contributing to this database by sending in tagged fish or tags!

Furthermore, 263 other individual tag codes, corresponding to fish with unknown origin, have been registered by automatic antennas so far. The origin of 26 automatically recorded individual could be found out.