Killer whale
Home Up EXHIBITS Expeditions Museum Library Site Map Giant Lizards 2 Asian Tsunami Venomous Snakes of Iraq

MAMMALIA: CETACEA: ODONTOCETI: DELPHINIDAE: Orcinus

Orcinus orca (Linnaeus, 1758)

Killer whale / Orca

Photo & Text by Artha Smith

 

Range:  Found in all oceans and seas, both hemispheres from the poles to the equator.

Diagnosis:  Large dorsal fin (larger in males), distinctive black and white color pattern.

Description:  Blunt snout, poorly defined beak. Large oval flippers.  Black on top except for the saddle patch, and white below.  Dorsal fin in males looks like a large triangle, in females it has the common falcate shape of many Delphinidae.

Natural History:

Reproduction: Breeding takes place anytime throughout the year with most births taking place in the autumn.  Single newborn 180kg and 240 cm long. 

Taxonomy & Relationships:

Variation:

Additional Comments: IUCN conservation dependent.  CITES appendix 2.

Type Specimen:

Literature: Click on book to order.

Jefferson A. S. Lutherwood and M. A. Webber.  FAO Species Identification Guide Marine Mammals of the World.  Rome, FAO 1994 ISBN 92-5-1032920

Nowak, Ronald M. 1999. Walker’s Mammals of the World. 5th edition. Johns Hopkins University Press.  ISBN 0-8018-5789-9.