sentences:  In captivity, it is a carnivore, taking fish meat and shrimp.It belongs to the large subgenus "Rabdophorus" which might warrant recognition as a distinct genus.In this group, its relationships are doubtful; it seems related to the "raccoon-masked" group including the black butterflyfish ("C. flavirostris"), diagonal butterflyfish ("C. fasciatus"), Philippine butterflyfish ("C. adiergastos") and the raccoon butterflyfish ("C. lunula").