male Pacific walrus (O. r. divergens)

wild caught on May 15th, 1978

deceased on November 29th, 2017

Ancestors and Descendants


unknown (birth 1989-Aug-02)

miscarriage (birth 1990)

unknown (birth 1991-May-18)

Transfer History

  1. capture 1978-May-15 in Alaska

  2. transfer 1978 to SeaWorld San Diego

  3. transfer 1979 to SeaWorld Aurora

  4. transfer 1987-Jul-07 to Cincinnati Zoo

  5. transfer 1996-Dec-28 to Brookfield Zoo

  6. transfer 1998-Jul-15 to SeaWorld Orlando

  7. death 2017-Nov-29 at SeaWorld Orlando

Physical Data

The dates listed here generally represent the time at which the measurements were published, not necessarily the date on which they were taken.


  • 1991-May-20: 4,500 lb

Image Gallery

No images available at this time.




  • #24 (Association of Zoos and Aquariums)

Notes and Information

This walrus is one potential sire of a calf conceived at SeaWorld San Diego in 1987 and stillborn at the Cincinnati Zoo in 1988, and of a calf conceived at SeaWorld Orlando in 2001 and born at the Brookfield Zoo in 2002.

#26 in the AZA regional studbook may potentially be an error and duplicate of Bruiser.

Bruiser's health was in decline for several weeks prior to his passing as he suffered from kidney failure.


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

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

  • 1991-May-20. AP News. Cincinnati Zoo Reports Walrus Birth. Retrieved from