Killer whale Killer whale The killer whale or orca ("Orcinus orca") is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. Killer whales have a diverse diet, although individual populations often specialize in particular types of prey. Some feed exclusively on fish, while others hunt marine mammals such as seals and other species of dolphin. They have been known to attack baleen whale calves, and even adult whales. Killer whales are apex predators, as no animal preys on them. A cosmopolitan species, they can be found in each of the world's oceans in a variety
Abralia suggest that these may not form natural groupings. They have worldwide distribution in tropical and subtropical seas. They spend the day at depths below 600m and at night they move to less than 200m in depth. These quid are important prey species for large fish such as tuna and billfish as well as toothed whales. The following species are currently recognised and are divided into six subgenera: Abralia Abralia is a genus of squid comprising around 20 species from the family Enoploteuthidae. They are small squid which can be found in the epipelagic to mesopelagic zones while some species are