Butterflyfish are often seen as the romantics of the reef, as many species are normally found in pairs, and the pairing will last for life.
A few species are solitary and normally found alone, while a very few species form large schools.
For more Butterflyfish information:
A Guide to Angelfishes and Butterflyfishes
Author: Gerald R Allen, Roger Steene, Mark Allen.
ISBN : 0-9661720-1-9
Author: Terrence M. Gosliner, David W. Behrens
Josh Jensen and Liz Harlin
A relational database with information to cater to different professionals such as research scientists, fisheries managers, and zoologist