A dolphin is any one of the 40 extant species of aquatic mammal from the cetacean families Delphinidae, Platanistidae, Iniidae, Pontoporiidae, and the probably extinct Lipotidae. All these families be
Tursiops truncatus 01
The face of a common bottlenose dolphin
A pod of Indo-Pacific bottlenose dolphins in the Red Sea
Dolphins surfing at Snapper Rocks, Queensland, Australia
Cetaceans are marine mammals belonging to the infraorder Cetacea, a secondarily aquatic clade under the order Artiodactyla that include whales, dolphins, porpoises and extinct groups such as Basilosau
Dolphin
…A dolphin is any one of the 40 extant species of aquatic mammal from the cetacean families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), Iniidae (the New World river dolphins), Pontoporiidae (the…