India, March 31 -- Sugar, the wave-riding canine who achieved the title of five-time World Dog Surfing champion and became a well-known presence at Huntington Beach, has passed away following a struggle with cancer. She was 16 years old.

The cherished "surf dog" transformed a unique beach activity into an international sensation. She departed early Monday morning in the arms of her owner, Ryan Rustan.

Just weeks prior to her passing, Sugar rode one last wave - a poignant send-off for the dog many believe revolutionized the sport.

Rustan conveyed the news through a heartfelt social media message, stating, "She absolutely loved you guys!! she lived to put smiles on faces, volunteer, to send it !! to change dog surfing forever !!!"

"than...