Revista de biología marina y oceanografía
versión On-line ISSN 0718-1957
OLAVARRIA, Carlos; AGUAYO-LOBO, Anelio y BERNAL, Rolando. Distribution of Risso's dolphin (Grampus griseus, Cuvier 1812) in Chilean waters. Rev. biol. mar. oceanogr. [online]. 2001, vol.36, n.1, pp. 111-116. ISSN 0718-1957. http://dx.doi.org/10.4067/S0718-19572001000100011.
Here we review the knowledge of Risso's dolphin Grampus griseus in Chilean waters. Based on analysis of 44 records, this species appears to have a continuous distribution along the Chilean coast between 20º13'S and 40ºS and we suggest that the reported southernmost record from Chile (~52°S) could be Atlantic Risso's dolphins. The Chilean records show a peak during the austral summer and indicate a preference for waters over 1000 m in depth. Mass stranding, interaction with fisheries, and associations with other cetaceans species are also reviewed.
Palabras clave : Risso´s dolphin; distribution; Chile; Eastern South Pacific.