Orcinus orca
Orcinus orca (Linnaeus, 1758)
Killer whale
Orcinus orca
photo by Dolar, M. Louella L.

Family:  Delphinidae (marine or true dolphins)
Max. size:  980 cm TL (male/unsexed); 850 cm TL (female); max.weight: 10,000 kg
Environment:  pelagic; marine; depth range 0 - 2652 m, oceanodromous
Distribution:  Circumglobal. Climate: cosmopolitan.
Diagnosis:   
Biology:  Transient migration (Ref. 8689). Lives in matrilines throughout their lifetime (Ref. 97337). Commonly found in nearshore, cold temperate to subpolar waters (Refs. 1394, 936). Forms large social groups and strong social bonds. Feeds cooperatively (Refs. 122680, 130961). Feeds on sharks, large baleen whales (Ref. 122680), all oceanic cetaceans, pinniped, penguins, and other seabirds, leatherback turtles, squid and many types of fish (Refs. 1394, 936). Three ecotypes identified along California and Oregon: residents (piscivorous), transients (mammal-eating) and offshores (preference for shark and other large fishes). Bite marks indicate attacks from Isistius sp. (Ref. 130791).
IUCN Red List Status: Data deficient (DD); Date assessed: 20 June 2017 Ref. 123251)
Threat to humans: 
Country info:   
 

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