The Most Aggressive Fish on the Reef

Our diving guests sometimes ask me: What's the most aggressive fish on the reef? They then probably expect me to start spinning some yawns about sharks, barracudas or Goliath gropers. But they are mistaken: by far the most aggressive fishes on the reef are the damselfishes. And amongst them, I think that Plectroglyphidodon lacrymatus is the