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A dolphin's blubber (hypodermis) lies beneath the dermis. Blubber is a layer of fat reinforced by fibrous connective tissue. Blubber is a layer of fat reinforced by fibrous connective tissue. Blubber contributes to a dolphin's streamlined shape, which helps increase swimming efficiency.


Different dolphin's have a different appearance. Generally, dolphins are gray on the top and white on the bottom. Many dolphins grow to be more than eight feet long.


Like humans, dolphins give live birth and nurse their young. Dolphin babies – calves – nurse for up to 18 months and stay with the mother for up to three years. A nanny dolphin, male or female, often accompanies the mother and the baby as it grows. The nanny or auntie dolphin is the only one the mother allows near the calf.


Dolphin is a common name of aquatic mammals within the infraorder Cetacea. The term dolphin usually refers to the extant families Delphinidae (the oceanic dolphins), Platanistidae


dolphin - Physical Characteristics - The largest species in the dolphin family, the killer whale, can reach more than 32.5 feet (10 meters) and weigh about 10 metric tons (9,800 kilograms). However, most dolphins are much smaller.


Dolphins use a technique called echolocation to find food and navigate. Dolphins live in groups formed by 10 to 12 individuals. There are 32 different kinds of ocean dolphins and 4 species of river dolphins. The largest dolphin is the “killer whale” (also known as Orca). The most known dolphin is the “ bottlenose dolphin”.


The dorsal fin of a dolphin (located on the back of the dolphin) acts as a keel when the animal swims, giving the animal directional control and stability within the water. But not all dolphins have a dorsal fin. For example, the Northern Rightwhale Dolphins and the Southern Rightwhale Dolphins lack dorsal fins.


the appearance if a dolphin is a long sleek body, a snout like thing for a mouth (different lengths depend on the species) and a large flat tale.


Fun Dolphin Facts for Kids. Check out these fun dolphin facts for kids. Learn about different types of dolphins, how they communicate with each other and much more. Read on and enjoy these interesting facts about dolphins. Compared to other animals, dolphins are believed to be very intelligent.


Because the 40 species of dolphins are so diverse, they vary greatly in size. The smallest, Maui's dolphin, is around 4 feet long and weighs 90 pounds. The largest dolphin species is the orca - males can grow to 25 feet in length and weigh 19,000 pounds.