The older it gets, and realization that threats are few should help.
I live in Panama and keep my tanks outside on the patio, when even something as small as a grackle passes overhead casting a shadow, my adult cichlids dash for cover, of course they are only about 7" long.
I live in Panama and keep my tanks outside on the patio, when even something as small as a grackle passes overhead casting a shadow, my adult cichlids dash for cover, of course they are only about 7" long.