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Orcinus orca   (Linnaeus, 1758)

killer whale
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Image of Orcinus orca (killer whale)
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Classification Common names | Synonyms | CoL | ITIS | WoRMS

Mammalia | Cetacea | Delphinidae

Main reference References | Biblio | Coordinator | Collaborators

Tan, J.M.L. 1995. (Ref. 936)

Size / Weight / Age

Max length : 980 cm TL male/unsexed; (Ref. 1394); 850 cm TL (female); max. published weight: 10.0 t (Ref. 1394)

Environment

Pelagic; oceanodromous (Ref. 75906); depth range 0 - 2450 m (Ref. 102388)

Climate / Range

Tropical; 90°N - 90°S, 180°W - 180°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Circumglobal. Climate: cosmopolitan.

Biology     Glossary (e.g. epibenthic)

Commonly found in nearshore, cold temperate to subpolar waters. Feeds on all oceanic cetaceans, pinniped, penguins, and other seabirds, leatherback turtles, squid and many types of fish (Refs. 1394, 936). Transient migration (Ref. 8689). Length at first maturity ranges from 570 to 660 cm for females and 670 to 800 cm for males (Ref. 75906). Lives in matrilines throughout their lifetime (Ref. 97337). Commonly found in nearshore, cold temperate to subpolar waters. Feeds on all oceanic cetaceans, pinniped, penguins, and other seabirds, leatherback turtles, squid and many types of fish (Ref. 1394 and 936). Polygamous (Ref. 8653). Sexually dimorphic; males are larger than females (Ref. 97315). Females have higher preference for non-pod males that arrive as part of a matriline than males that arrive alone. Multiple mating occurs based on testis size to body size ratios; females mate with more than one male during associations between pods (Ref. 97337). Calving is diffusely seasonal, with a peak in autumn for northeastern Pacific species (Ref. 97343).

IUCN Red List Status (Ref. 114614)

CITES status (Ref. 94142)

Threat to humans

Human uses

Fisheries: commercial
FAO(fisheries: production) | FisheriesWiki | Sea Around Us

More information

Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

BHL | BOLD Systems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(fisheries: species profile; publication : search) | GenBank (genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | ispecies | National databases | PubMed | Scirus | Sea Around Us | FishBase | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimation of some characteristics with mathematical models

Vulnerability (Ref. 71543)
High to very high vulnerability (66 of 100)
Price category (Ref. 80766)
Unknown