food is scarce below the photic zone,most fishes cannot afford to be picky. They usually have very broad diets andeat just about anything they can fit intotheir mouths. The large, protrusible jawsallow them to eat a wide range of prey. The advantage of this is that they don’thave to pass up a potential meal becauseit is too large to eat. Some mesopelagicfishes can even eat prey larger than them-selves! The long, sharp teeth help keepprey from escaping