Vasco Rodrigues, Nuno2025-06-202025-06-202016-03-22Vasco-Rodrigues, N. Northernmost record of Hacelia attenuata (Echinodermata: Asteroidea) in the Atlantic. Mar Biodivers Rec 9, 9 (2016). https://doi.org/10.1186/s41200-016-0014-91755-2672http://hdl.handle.net/10400.8/13343Background The seastar Hacelia attenuata is present in the Mediterranean but also in the Azores, Madeira, Canary Islands, Cape Verde and Gulf of Guinea. Methods While scuba diving in Berlengas Archipelago (Peniche, Portugal), the author observed two individuals of this species. Results This expands its geographic distributions and represents the northernmost record of this species in the Atlantic. Conclusion Geographic boundaries of species are changing on a daily basis and it is crucial to report these new occurrences and to keep monitoring species distribution and biodynamic, in order to predict future changes.engSeastarOphidiasteridaeGeographic rangeBerlengas archipelagoClimate changejournal article10.1186/s41200-016-0014-9