Mambo, an ocean sunfish, is making waves at Kaiyokan Aquarium in Osaka after arriving in February 2024. Weighing around 28 kg and measuring 79.5 cm upon arrival, Mambo's gender remains unknown. The aquarium staff faced initial challenges with Mambo's health, suspecting parasites and digestive issues, but their creative efforts seem to have turned the tide.
Ocean sunfish are known for their unique size and longevity. In captivity, these marine giants can live up to 10 years and grow up to 335 cm long, weighing as much as 2.5 tons. Mambo, an omnivorous fish, hails from off the coast of Kochi Prefecture, though its exact origins in the wild remain unclear. Listed as vulnerable on the International Union for Conservation of Nature (IUCN) Red List of Threatened Species, the ocean sunfish requires special care and attention.
To improve Mambo's mood, Kaiyokan staff decorated the fish tank with photos of human faces and aquarium uniforms. They also waved at Mambo to engage its curiosity. This innovative approach bore fruit as Mambo's health returned to normal.
"I honestly can't believe it, but the individual currently on display was quite curious and often came close to the front of the tank when visitors were present." – The aquarium
Since its arrival, Mambo has grown slightly larger. The aquarium is slated to reopen sometime in summer this year, offering visitors a chance to meet this charismatic fish. As Mambo continues to thrive under the care of attentive staff, it stands as a testament to the importance of creativity and dedication in marine conservation efforts.
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