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The deep-sea world is a harsh environment. The pressure is about 100 times greater than the air pressure you feel land. The water is freezing cold and pitch-dark, and food is scarce. But as eerie as this world is, it's home, sweet home for many animals that are adapted to living here. Some creatures have large, sensitive eyes to gather what little light there is. Many animals are bioluminescent. A variety of animals, such as squid, have rubbery bodies without air spaces in them, which helps them cope with heavy pressure. No air spaces means no squashing!
The deep-sea world is a harsh environment. The pressure is about 100 times greater than the air pressure you feel land. The water is freezing cold and pitch-dark, and food is scarce. But as eerie as this world is, it's home, sweet home for many animals that are adapted to living here. Some creatures have large, sensitive eyes to gather what little light there is. Many animals are bioluminescent. A variety of animals, such as squid, have rubbery bodies without air spaces in them, which helps them cope with heavy pressure. No air spaces means no squashing!
Deep-sea animals eat whatever they can find. Some survive on crumbs that trickle down from the ocean's upper layers. Many animals eat each other. The gulper eel has an enormous mouth that's bigger than its body and a stomach that stretches to hold its prey. It can use its huge mouth like a net to scoop up small animals but can also take advantage of a big meal if it meets one!
Deep-sea animals eat whatever they can find. Some survive on crumbs that trickle down from the ocean's upper layers. Many animals eat each other. The gulper eel has an enormous mouth that's bigger than its body and a stomach that stretches to hold its prey. It can use its huge mouth like a net to scoop up small animals but can also take advantage of a big meal if it meets one!
Bioluminescent deep-sea animals usually glow blue or blue-green. That's because blue and green light travels farther in water than other colors. Red light, however, doesn't travel far at all. Since they don't use red light, many deep-sea animals have lost the ability to see it-which means they can't see the sneaky stoplight loosejaw when it turns on its red "headlights." THis fish can communicate secretly with other loosejaws and the little bit of extra light helps it find prey, too.
Bioluminescent deep-sea animals usually glow blue or blue-green. That's because blue and green light travels farther in water than other colors. Red light, however, doesn't travel far at all. Since they don't use red light, many deep-sea animals have lost the ability to see it-which means they can't see the sneaky stoplight loosejaw when it turns on its red "headlights." THis fish can communicate secretly with other loosejaws and the little bit of extra light helps it find prey, too.
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