Since then, he had been trapped at Mundo Marino, where he was forced to perform for decades until he died in 2025. The tank he lived in was shockingly small for an orca. Kshamenk was 19 feet long and spent most of his days just lying on the bottom of his barren 20-foot-deep tank, occasionally coming up for air.

In contrast, wild orcas swim up to 150 kilometers per day in complex ocean ecosystems. In captivity, Kshamenk couldn’t even dive or turn properly.

Kshamenk hadn’t seen another orca since 2000, when his tankmate—a female orca named Belén—died, and he remained isolated until the end of his life. Orcas form exceptionally strong social bonds, often living in lifelong family groups. Isolation causes significant psychological distress in orcas, leading to depression, aggression, and stereotypical, repetitive behaviors.

The only companion Kshamenk had was a female bottlenose dolphin named Floppy.

Kshamenk lived at Mundo Marino but was owned by the Argentinian government. Despite growing public awareness and pressure urging the government to take action, no steps were taken to improve his conditions or release him before his passing, underscoring the tragic consequences of marine mammal captivity. 

Now, TideBreakers continues the fight in Kshamenk’s name, with the goal of bringing Ley Kshamenk into effect—a law that would prohibit orca captivity in Argentina and serve as his enduring legacy—while also engaging lawyers in Argentina to investigate the circumstances surrounding his death.