A smiling Dolphin 🐬

Cute / dolphin /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.