I had the privilege of importing and owning AUL in the past. The longest I owned one was 3-4 years. AUL are wonderful fish to keep in my experience. So peaceful and easy going. And they are true living fossils.
A recent article on these fish that may be of interest: https://www.mdpi.com/1424-2818/15/1/63
A recent article on these fish that may be of interest: https://www.mdpi.com/1424-2818/15/1/63