deemed non-releasable and will remain at Vancouver Aquarium. Quatse is a female sea otter pup who was rescued from Port Hardy in early March 2021. She was estimated to be a few months old when she was found stranded, separated from her mother, leading to her rescue by the Marine Mammal Rescue Centre. After 74 days in care at the centre, she was deemed non-releasable and transferred to the Vancouver Aquarium. Past otters: Tanu was an adult female who was abandoned as a pup, rescued by the Alaska SeaLife Center and later moved to the aquarium. Nyac was a female sea otter rescued from the 1989 Exxon Valdez oil spill. She was one of the last surviving sea otters from the incident and was later featured in a viral YouTube video of sea otters "holding hands" recorded by Cynthia Holmes. Nyac died on September 23, 2008, at approximately 20 years of age. Days before her death, she was diagnosed with chronic lymphocytic leukemia, which has been associated with contact with petroleum in other marine species. Milo was a male sea otter rescued and brought to the aquarium after being deemed non-releasable. Along with Nyac, he was featured in the viral YouTube video of sea otters "holding hands" by Cynthia Holmes. Milo died on January 12, 2012, at the age of 12 years after being diagnosed with lymphoma. He was the first otter to be treated with chemotherapy as part of a unique chemotherapeutic treatment plan developed by researchers, veterinarians, and pathologists around the world. Walter/Wally was found as an injured adult sea otter in Tofino, on the West Coast of Vancouver Island. He had been shot by a shotgun and suffered extensive injuries as a result. After receiving critical care at the Marine Mammal Rescue Centre he became a healthy sea otter who would not survive in the ocean and was therefore moved to the aquarium. He was estimated to be over 10 years old at the time of his rescue. He died on December 9, 2015. Elfin was an adult male sea otter who was abandoned as a pup, was rescued by the Alaska SeaLife Center and later moved to the aquarium. Elfin died peacefully on April 1, 2017, at the age of 16. Elfin was distinctively known for his large amount of white fur. The aquarium is also home to four harbor seals at this time, 2 females