Random Facts

Random facts about fish for kids

Living in the depth of water bodies all across the earth, fishes truly are amazing, intriguing and fascinating animals. They come in all shapes, colors and sizes and are considered a good luck charm for having as pet. Now, it’s the time for us to check out some of the most interesting random fish facts right below here.

Random fish facts
Fishes swimming in the ocean
  • Fish are vertebrate animals that live in the water. Vertebrate means they have a spinal cord surrounded by bone or cartilage.
  • There are over 30000 known species of fish.
  • Seahorses are the only fish that swim upright.
  • Some fish, such as the great white shark, can raise their body temperature. This helps them hunt for prey in cold water.
  • The oldest known age for a fish was an Australian lungfish. In 2003, it was still alive and well at 65 years old.
  • The oldest fishhook ever found dates back to about 42,000 years ago.
  • Lampreys and hagfish are the most primitive form of fish still living today.
  • Most fish have little salt in them. Sharks, however, have meat as salty as the ocean they live in.
  • A fish can drown in water. Like humans, fish need oxygen, so if there isn’t enough oxygen in the water, they will suffocate.
  • The fastest fish is the sailfish. It can swim as fast as a car travels on the highway.
  • Some desert pupfish can live in hot springs that reach temperatures greater than 113° F.
  • The batfish plays dead when danger is near. It floats motionless on its side when scared, making it look like a dead leaf floating on the surface of the water.
  • Fish were the first vertebrates with bony skeletons to appear on Earth. Unlike today’s fish, early fish had no scales, fins, or jawbone, but they did have a dorsal fin.
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