![]() In fact, less than 1% of the biosphere on our planet is terrestrial. That is an almost unimaginable volume of water when considered on a human scale. Satellite measurements show that the oceans hold 0.3 billion cubic miles (1.332 billion cubic kilometers) of water with an average ocean depth of 2.3 miles (3,682.2 meters). In contrast, the vast oceans are three dimensional – several miles deep and hundreds or thousands of miles wide from shore to shore. We humans are “flat earth” creatures used to operating primarily in one plane on the surface of the planet. One of the biggest challenges for deep sea creatures is the immensity of the oceans in all directions. Anglerfish female in the dark abyss How Do Fish Find Food in the Immense Ocean Spaces? There’s a certain beauty to adaptations that allow these creatures to survive and thrive in the extreme conditions of the deep sea. We may consider these adaptations weird and ugly, but they can be key to survival in the oceans depths of the world. They can have fishing lures that glow in the dark, immense teeth to hold onto prey, and giant stomachs. ![]() Some of my most popular presentations are about weird and ugly creatures! I love the reactions I get when I show photos of some of the ugliest creatures found on our planet – especially those that live in the deep sea!ĭeep sea creatures have some unique adaptations for living in the icy cold, pitch black depths of the oceans far below the photic zone where light penetrates.
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