female Pacific walrus (O. r. divergens)

wild caught on May 19th, 1994

deceased on August 30th, 2017

Ancestors and Descendants

No known related animals.

Transfer History

  1. capture 1994-May-19 in Gambell, Alaska

  2. transfer 1994-May-21 to Marine World / Africa USA

  3. transfer 2009-Oct-11 to SeaWorld San Diego

  4. transfer 2010-May-11 to Six Flags Discovery Kingdom

  5. death 2017-Aug-30 at Six Flags Discovery Kingdom

Image Gallery

No images available at this time.




  • #55 (Association of Zoos and Aquariums)

Notes and Information

Siku was transferred to Six Flags when it was called Marine World / Africa USA; the facility changed names three times over her time there, lastly becoming Six Flags Discovery Kingdom in 2007. See the facility's notes for more information on these name changes.

Siku passed away in 2017 following a weeks-long struggle with kidney disease. Her skeleton was planned to be donated to the California Academy of Sciences.


  • 2018-Jan-08. Lisa Oland. AZA Regional Studbook.

  • 2005-Apr-25. Jodie Baker. 2004 North American Regional Walrus Studbook.

  • 1994. International Marine Animal Trainers' Association. Soundings, vol. 19 (n. 3), p. 10. Retrieved from