atlantic longnose butterflyfish

What’s good¡ I’m currently looking for a center piece fish for a future reef build and leaning towards a butterflyfish. Was investigating Prognathodes aculeatus and stumbled upon this Chaetodon mesoleucos... Anyone kept these before? Also is a 81 gallon aquarium 35.43”x23.62”x22.44” enough to...

Can anyone explain the lighting situation for most deep water fish¿¿ I see that the smaller “Pygmy” and/or uniquely colored types of saltwater fish (^^Butterfly, Possum Wrasses, Pygmy Hawkfish, Basslets) are deep water so I’m curious if I can still grow coral when taking precautions for a low...