How do deep sea creatures live without sunlight?

Deep sea creatures are not capable of photosynthesis since, as you mentioned, they do not have access to sunlight. read more

Deep sea creatures are not capable of photosynthesis since, as you mentioned, they do not have access to sunlight. Instead, some of them create their own food through chemosynthesis: oxidization of high-energy inorganic compounds (hydrogen gas, ammonia, nitrates, and sulfides). read more

How cells manage to survive without the Sun You ask specifically about those animals that live in the deep dark of rock or sea. These creatures, over millions of years, evolved to use energy supplied from our planet rather than our sun. read more

Scientists once thought sunlight, like water, was crucial to sustain life on Earth. But we now know of deep-sea communities of organisms that use chemical energy, rather than energy from sunlight, as the basis for their food. read more

All deep sea animals including sea anemones, tube worms, sponges, barnacles simply wait for the food to come down to the sea floor from above. They wait for the death of some pretty large animals like sharks, squids, dolphins or whales. read more