- Most dolphins live in shallow areas of tropical and temperate oceans and some in rivers.
- Scientific names of Dolphin fish are Delphinadae (oceanic species) and Platanistoidea (river species).
- Dolphin usually 1.2-10.0 m long.
- They usually weighs between 50 kg – 7 tonnes.
- Around 40 types of dolphin fish species in the world.
- Dolphins are carnivores – meat eaters.
- Fish, squid and crustaceans are foods that dolphins eat.
- Dolphin eat food 10% of its weight.
- Dolphins are highly intelligent.
- They are as smart as apes, and the evolution of their larger brains is surprisingly similar to humans.
- Dolphins are part of the family of whales that includes orcas and pilot whales.
- Killer whales are actually dolphin fish species.
- Killer whales known as Orca are the biggest kind of dolphin.
- Orca or Killer whale is considered as one of the largest sea creatures on earth.
Killer Whale
- Dolphins have good eyesight both in and out of the water.
- They have good hear frequencies which is 10 times than adult humans.
- Pollution, fishing and hunting are the real threats to Dolphins.
- Dolphins can live up to 50 years.
- Generally dolphins are mammals.
- Dolphins have 2 stomachs.
- Dolphins need to come to surface of the water to breathe.
- Unlike land mammals, dolphins have separate holes for each task to breathe.
- Dolphins eat through their mouths and breathe through their blowholes.
- They dive up to 1,000 feet in ocean.
- Dolphins are very friendly to humans and animals.
- Dolphins never chew their food.
- They some can swim at 20 miles per hour.
- Dolphins can communicate with each other by clicking, whistling and other sounds.
- Dolphins can jump as high as 25 feet out of the water.
- Dolphins are very social, living in groups that hunt and even play together . Dolphins group can have 1,000 members or more.
References : [1], [2], [3], [4]
