Several different vibrantly colored animals can bee seen in this image, taken at approximately 2240 meters (7350 ft), including an Anthomastus mushroom coral (center), precious pink coral (right), bamboo coral (left), and feather stars (Crinoids).
World Ocean Day – June 8, 2020 – 10 amazing things you never knew about the deep ocean.
The deep-sea is the largest habitat on Earth, making up around 95% of Earth’s living space.
The greatest ocean depth ever measured is 11,000 meters – that’s seven miles, equivalent to the average altitude of a passenger flight.
The deep-sea is pitch black to human eyes, but some ocean sea fish are 15 to 30 times more light-sensitive and can detect light down to 1300m.
More people have travelled into space than the deepest parts of the ocean: 12 people have walked on the moon but only three people have descended to the ocean’s lowest known point, the Mariana Trench.
Scientists think there may be more species in the deep sea than in all the other environments on Earth combined – as many as 100 million species may live there.
In the deepest part of the ocean, pressure can be a thousand times greater than we experience at sea level – equivalent to 50 jumbo jets resting on you.
Scientists are still mystified how many deep-sea creatures survive such high pressures: but we know they often have soft bones, small molecules that protect structures, and lack crushable air cavities.
The deep-dwelling Casper octopus – only discovered in 2016 – seems to lay its life down for its offspring, wrapping its body around its eggs for years to protect them, until they hatch and it dies of starvation.
Deep-sea hydrothermal vent systems are redefining our understanding of the requirements of life: hundreds of unique species are supported by heat-loving bacteria which survive by chemosynthesis, providing energy without light.
Deep-sea angler fish are so pliable that they can eat prey twice their size.