Miami, Florida – Boomer, a 10-year-old bottlenose dolphin, died at the shuttered Miami Seaquarium on November 2. Boomer took up residence at the facility in June of 2025, and the Miami Seaquarium shut down last month.
According to a news release from the Dolphin Company, Boomer had battled health issues throughout his life, including chronic appetite irregularities, recurrent inflammation, and intermittent infections. The release said:
In recent weeks, Boomer began experiencing weight loss, at which point the teams kept him under daily treatment and provided him supplemental nutrition. These efforts initially appeared to show success as Boomer began to regain weight and behave normally. However, on the morning of November 2, he was found deceased.
Boomer will undergo a necropsy to determine exactly what caused his death.
The Dolphin Company said:
Boomer was a remarkable dolphin who captured the hearts of all who had the privilege of working with him. The team at Miami Seaquarium is heartbroken by Boomer’s passing despite their best efforts to support him, but the team remains committed to providing the highest level of care to all animals entrusted to them and to learning from each experience to further advance marine mammal wellbeing.
The Dolphin Company and Miami Seaquarium extend their heartfelt appreciation to the veterinary professionals, trainers, and animal care staff who devoted themselves to Boomer’s care, as well as to the community for their continued compassion and support during this difficult time.
Rest in peace Boomer.
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