What is an anglerfish? What characteristics are common for this species of fish? The Anglerfish is a species of fish that uses an angler or a lure that works like a fishing rod. Just like when people use fishing rods (also called anglers) to catch fish, the Anglerfish is a type of fish that uses the same tactic to catch other types of fish (those that they can eat). Equipped with really big heads, Anglerfishes sometimes seem that they're all head...