Despite being shared widely, there is no credible evidence to support the claim that a marine trainer named Jessica Radcliffe was attacked by a killer whale . Authorities, marine parks and... The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. The only extant species in the genus Orcinus, it is recognizable by its distinct pigmentation; being mostly black on top, white on the bottom and having recognizable white eye patches. Killer Whale defined and explained with descriptions. Killer Whale is a large, toothed whale . Also called "orcas," they are very intelligent predators.
