Abstract
Uncommon fish records may reflect local or global changes of fish composition resulting from environmental changes or anthropog,enic activities. Significant records of uncommon marine fishes, including migrant, non-native, cryptic, rare and threatened species, collected in French waters or by French vessels in European waters, observed by scuba divers or beachgoers, are reported for the year 2019. They include first, new, rare and unusual records for the following 33 species: Tetronarce nobiliana, Gymnothorax unicolor, Maulisia mauli, Salmo trutta, Grammonus aler, Photostomias guernei, Ifintaia loppei, Echiodon drummondii, Holocentrus adscensionis, Nerophis lumbriciformis, Scorpaena scrofa, Lepidoirigla dieuzeidei, Eutelichthys leptochirus, Liparis montag tti, Mycteroperca rubra, Serranus cabrilla, Remora remora, Caram: crysos, Naucrates doctor, Trachurus picturatus, Seriola rivoliana, Argyrosomus regius, Parablennius pilicornis, Pseudoscopelus astronesthidens, Deltentosteus collonianus, Didogobius schlieweni, Didogobius splechinai, Gobius couchi, Gobius f.;asteveni, Lebetus guilleti, Synapturichthys kleinii, Lagocephalus lagocephalus and 21.1ola mola, among which I. loppei, H. adscensionis and P. astronesthidens represent first records for the French waters and additions to the Checklist of the marine fishes from metropolitan France. Photostomias guernei is a first record for the Bay of Biscay, found close the French ETV,.