 In 1995, continuous observations of North Atlantic right whale, being considered as functionally extinct in eastern North Atlantic were made, followed by another possible sighting off La Gomera between 1998 and 1999.The Canary Islands were also formerly home to a population of the rarest pinniped in the world, the Mediterranean monk seal.Tenerife and Gran Canaria are one of the few remaining locations with a substantial population of angelsharks.