Westwards expansion of the European catfish Silurus glanis in the Douro River (Portugal)
C. Gkenas, J. Martelo, D. Ribeiro, J. Gago, G. Santos, D. Dias, F. Ribeiro
The paper reports the first occurrence of European catfish in the Douro River, Portugal, suggesting westward expansion through natural dispersal or human introduction.
bioRxiv · Jan 7, 2023 · PreprintEcology