Complex sentence: The foureye butterflyfish, "Chaetodon capistratus", is a butterflyfish of the family Chaetodontidae found among tropical reefs around the world and concentrated in the Indo-Pacific oceanic region.
Split into simpler sentences: The foureye butterflyfish, "Chaetodon capistratus", is a butterflyfish of the family Chaetodontidae. The Chaetodontidae are found among tropical reefs around the world and concentrated in the Indo-Pacific oceanic region.