Richness (%, A–C) and relative numerical abundance (B–D) of fish species according to the origin (AL: allochthonous; AU: autochthonous; END: endemic; EX: exotic; HY: hybrid) recorded between 2010 and 2016 in the tributaries (C, D) and main channel (A, B) Lower Iguaçu river basin, Brazil.

 
 
  Part of: Pini SFR, Makrakis MC, Neves MP, Makrakis S, Shibatta OA, Kashiwaqui EAL (2021) Ichthyofauna in the last free-flowing river of the Lower Iguaçu basin: the importance of tributaries for conservation of endemic species. ZooKeys 1041: 183-203. https://doi.org/10.3897/zookeys.1041.63884