Cassius, Oldest Male Chimpanzee in Australasia, Dies Aged 53
Cassius, the oldest known male chimpanzee in Australasia, has died peacefully at the age of 53 after nearly 40 years as a beloved resident of Rockhampton Zoo in regional Queensland.
The Rockhampton Regional Council confirmed Cassius passed away last Thursday following a period of declining health, believed to be caused by arthritis and dementia.
“He was given the best possible final day,” said councillor Cherie Rutherford. “He enjoyed treats he normally wouldn’t have and was surrounded by his devoted keepers right to the end.”
Other members of the chimpanzee troop were given time with Cassius after his passing to help them process his absence. Cr Rutherford said the decision to euthanise him was made after his health deteriorated significantly and he no longer recognised some of his companions.
“He began having more bad days than good,” she said. The news was withheld until after the Easter holidays.
A Gentle Giant
Cassius outlived the typical lifespan for wild chimpanzees, which is around 30 to 40 years. He had been flagged last month as being in poor health, prompting the community to brace for the news.
Described as a “gorgeous old soul” with a gentle temperament, Cassius played a pivotal role in forming the zoo’s chimpanzee troop.
“He really enjoyed human interaction,” Cr Rutherford said. “With his big gummy smile, he loved engaging with people. We were so lucky to have him.”
A Life Saved and Shared
Cassius was born in 1971 in Coolangatta and came to Rockhampton Zoo in the mid-1980s under extraordinary circumstances. Along with his brother Octavius (“Ockie”), Cassius was facing euthanasia due to a tuberculosis scare.
Although later cleared of the illness, bureaucratic hurdles in New South Wales and Queensland initially prevented their transfer. But Rockhampton council members, including former mayor Jim Webber, mounted a late-night rescue operation to bring them to safety in Rockhampton.
The arrival of Cassius and Ockie marked the beginning of the zoo’s chimpanzee program. Over time, the troop grew and is now part of the Australasian Species Management Program.
Aside from its conservation significance, the troop remains one of the zoo’s most popular attractions.
“They’ve brought so much joy to the community,” said Cr Rutherford. “Cassius especially will be remembered for years to come.”
A public memorial will be held in the coming weeks to honour Cassius’s legacy.
