After autopsy , the cause of Nico 's sudden death Saturday is inconclusive . The belugas are not the only high-profile deaths at the Georgia Aquarium , which opened in late 2005 . The coroner said he could not determine a definitive cause for Nico's death. The Georgia Aquarium is undergoing renovations , which is why Nico was moved .
After autopsy , the cause of Nico 's sudden death Saturday is inconclusive . The coroner said he could not determine a definitive cause for Nico's death. The Georgia Aquarium is undergoing renovations , which is why Nico was moved .