Complex sentence: The roving coralgrouper ("Plectropomus pessuliferus ") is a species of fish in the Serranidae family that engages in cooperative hunting with the giant moray eel ("Gymnothorax javanicus").
Split into simpler sentences: The roving coralgrouper ("Plectropomus pessuliferus ") is a species of fish in the Serranidae family. This carnivorous fish sometimes engages in cooperative hunting with the giant moray ("Gymnothorax javanicus").