Bizarre Prehistoric Predator Fish Breathed Air, Had Fangs And Four 'Limbs' <img width="128" height="52" src="https://www.sciencealert.com/images/2024/02/CloseUpOfAustralianPredatorFish.jpg" alt="A fish face close up"/> A 380-million-year-old identity crisis. https://www.sciencealert.com/bizarre-prehistoric-predator-fish-breathed-air-had-fangs-and-four-limbs