Abstract

We report the incidental capture of an adult ying sh, Cheilopogon xenopterus, o the coast of Arica, northern Chile. This marks the rst documented occurrence of the species in Chilean waters and a notable southward range extension. Its presence, outside El Niño–Southern Oscillation (ENSO) periods, may indicate shifts in average sea surface temperatures. This nding highlights the importance of ongoing ichthyofaunal monitoring in northern Chile to detect early signs of climate and oceanographic changes aecting species distribution.