Far below the ocean’s surface, where sunlight can’t reach, some of the most unusual creatures on Earth thrive in complete darkness. These deep-sea animals have evolved strange shapes, glowing features, and unusual behaviors that help them survive in one of the harshest environments on the planet.
In this A-Z Animals video, you’ll get a closer look at some of the ocean’s most fascinating and otherworldly species. From bioluminescent predators to bizarre, alien-like forms, these creatures reveal just how little we truly know about life in the deep sea.