The jubilee of the 20th International Colloquium on Amphipoda will be celebrated in 2025. On this occasion,
we are happy to invite you to Lodz (Łódź) in Poland.

 We welcome all researchers using amphipods as model organisms in all kinds of studies. We hope the reunion
of our great family of amphipodologists will be not only a fantastic occasion to exchange knowledge and ideas on our beloved animals during the oral and poster sessions, but also to spend a good time together with many informal chats, visit the lively Lodz downtown, do some sightseeing in the city, and explore Central Poland during
the mid-conference trip.