I came across this name from reading the Yahoo news - “Humuhumunukunukuapuaa Dethroned in Hawaii.”
Here’s an excerpt:
Everyone thought the humuhumunukunukuapuaa was Hawaii’s state fish. As it turns out, the brightly colored fish with the excessively long name has been dethroned.
It’s pronounced HOO-moo-HOO-moo-NOO-koo-NOO-koo-AH-poo-AH-ah