Do You Know? Dolphins, Intelligent Marine Mammals

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Dolphin’s face always looks like it’s smiling. These marine mammals are intelligent animals.

  • Dolphins can remember people’s faces and can understand some clues from humans.
  • Dolphins are also well known to humans because they do not attack. In fact, there are dolphins who help victims of the sinking ship.
  • Dolphins are found in almost all waters in the world.
  • In the world, there are more than 40 types of dolphins. This marine mammal belongs to the Delphinidae family.
  • These marine mammals live in groups that explore the ocean together. One group consists of 20 to hundreds of dolphins. Living in groups makes it easier for them to find food and protect themselves from predators.
  • Dolphins eat fish, squid, shrimp, octopus, and other small animals.
  • Dolphins communicate and recognize their way in the ocean by using sound. The reflected sound became the inspiration for the creation of sonar technology.
  • Dolphin skin is smooth and slippery so that dolphins can swim easily. The uniqueness of the dolphin skin was imitated in the design of swimsuits.
  • Dolphins give birth and nurse their young. Every time they give birth, dolphins only give birth to one child.
  • The calf will always be near its mother to suckle until it is about 1 year old.
  • When near the surface of the water, dolphins often jump out of the water as if playing.
  • In the past, the dolphin jump was a fun entertainment for sailors.

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