The Canadian Encyclopedia — neutral, cited, updated
July 26, 2026Sources cited
Canadianwire.
Canada’s encyclopedia & explainer
Home›Science & Nature›Marine Mammal›Tilikum
Science & Nature • Marine Mammal

Tilikum

Tilikum was a male orca (killer whale) kept in captivity for most of his life, best known for living at SeaWorld Orlando and for his role in public debates over marine mammal captivity.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Tilikum was a male orca (killer whale) kept in captivity for most of his life, best known for living at SeaWorld Orlando and for his role in public debates over marine mammal captivity. He was captured near Iceland in 1983, later moved from Sealand of the Pacific in British Columbia to SeaWorld Orlando, and died in 2017. He was also one of the most successful captive breeding males, siring many calves.

Early life and capture

Tilikum was born off Iceland around late 1981 and was captured in 1983 as a young orca. Sources indicate he was then moved into the marine park industry, beginning a long life in captivity.

Life in captivity

After time at Sealand of the Pacific near Victoria, British Columbia, Tilikum was transferred to SeaWorld Orlando in 1992. He remained there for the rest of his life and became one of the best-known captive orcas.

Public attention and controversy

Tilikum drew international attention because of his involvement in three human deaths and because he was featured prominently in Blackfish. His story became central to debates over the ethics of keeping orcas in marine parks.

Death and legacy

Tilikum died in January 2017 after a long illness, including a bacterial lung infection. His death was widely reported and was followed by renewed discussion of captive orca breeding and welfare.

Key facts

  • Tilikum was a captive male orca nicknamed "Tilly".
  • He was captured in Iceland in 1983 and later transferred to Sealand of the Pacific in British Columbia and then to SeaWorld Orlando.
  • He became widely known after the 2013 documentary Blackfish.
  • He sired at least 21 calves during his life.
  • He died in 2017 after a bacterial lung infection.
🍁
Canadian context

Tilikum lived for several years at Sealand of the Pacific near Victoria, British Columbia, making him directly connected to Canadian marine park history.[1][12]

Frequently asked questions

What was Tilikum?
Tilikum was a male orca kept in captivity, best known for living at SeaWorld Orlando and for his role in debates about marine mammal captivity.
Where was Tilikum captured?
He was captured near Iceland in 1983.
Where did Tilikum live?
He lived at Sealand of the Pacific near Victoria, British Columbia, and later at SeaWorld Orlando, where he spent most of his life.
When did Tilikum die?
He died on January 6, 2017, at SeaWorld Orlando.
How many calves did Tilikum sire?
Sources report that he sired at least 21 calves.
Why is Tilikum notable?
He was one of the most famous captive orcas, the subject of Blackfish, and reportedly the largest orca in captivity.

References

  1. Wikipedia — https://en.wikipedia.org/wiki/Tilikum_(orca)
    Supports: Capture in Iceland, transfer to Sealand of the Pacific and SeaWorld Orlando, death date, captive status, and number of calves.
  2. NPR — https://www.npr.org/sections/thetwo-way/2017/01/06/508534005/tilikum-seaworlds-famed-orca-and-subject-of-blackfish-dies
    Supports: Death date, SeaWorld Orlando, Blackfish association, infection, and approximate life history.
  3. National Geographic — https://www.nationalgeographic.com/animals/article/tilikum-seaworld-orca-killer-whale-dies
    Supports: Capture off Iceland, significance, and death after illness.
  4. Wikipedia — https://www.wikipedia.org/wiki/Tilikum_v._Sea_World
    Supports: Context for legal case involving Tilikum; not used as a core biographical fact.