The right whale dolphins, the Northern Right Whale Dolphin (Lissodelphis borealis) and the Southern Right Whale Dolphin (Lissodelphis peronii), are two of the easiest cetaceans to identify at sea. Both these oceanic dolphins are coloured black and white and have no dorsal fin. Despite scientists being long acquainted with the species (the Northern species was identified by Peale in 1848 and the Southern even earlier - Lacépède, 1804) surprisingly little's known about them in terms of… (More on Lissodelphis)