On January 20, 2025, the Kaikyokan aquarium in Shimonoseki, Japan, addressed the health issues of a sociable sunfish by attaching photos of human faces to its tank. This unconventional method was implemented after staff believed the fish was suffering from loneliness due to the aquarium’s temporary closure for renovations.
- Sunfish missed human interaction during closure.
- Aquarium used photos to comfort the fish.
- Health issues linked to loneliness identified.
- Sunfish improved after visual stimulation.
- Social media users expressed support online.
- Innovative animal care solutions during closures.
The aquarium reported that after the installation of the photos, the sunfish showed signs of improvement, swimming actively and appearing healthier the following day.
The Kaikyokan aquarium recently faced challenges when it closed for renovations in December 2024. During this period, the sunfish, which is about 80 cm long and weighs nearly 30 kg, stopped eating jellyfish and began rubbing against the tank. Initially, staff suspected health issues like parasites or digestive problems, but one staff member proposed that the fish might be lonely without visitors.
To address this, the aquarium staff attached photographs of human faces to uniforms and placed them in front of the sunfish’s tank. This strategy was described as a “last resort” to alleviate the fish’s distress. Following the changes, the aquarium reported that the sunfish seemed to be in good health again, displaying more active behavior and even “waving its fins.”
Sunfish, found in oceans worldwide, are known for their unique characteristics and can live up to 10 years in captivity. However, they require meticulous care, making them less common in aquariums. The Kaikyokan aquarium has a history of innovative solutions for animal care, having previously organized virtual events for other animals during the pandemic.
The creative solution implemented by the Kaikyokan aquarium highlights the importance of social interaction for animals in captivity. As the sunfish’s health improved, it underscores the need for aquariums to adapt their care strategies to ensure the well-being of their inhabitants.
