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Because it is. There's not really a "why".
If you mean "what are the characteristics of a dolphin that show that it's a mammal and not a fish or amphibian", it's warm-blooded, produces milk, and gives birth to live young.
Wiki User
∙ 12y ago
Wiki User
∙ 14y agoThey bear live young, which are suckled on milk from MAMMARY glands. Dolphins and Whales have nipples, just like you and me. They also warm-blooded, have a smooth hairy skin and are air breathing (no gills).
Wiki User
∙ 13y agoYep. It breathes fresh air, and believe it or not, it DOES have a small portion of hair.
Wiki User
∙ 14y agoA dolphin is a mammal, hence, it is warm blooded. Fish are cold blooded.
Wiki User
∙ 14y agoBecause dolphins can't breathe underwater they can hold their breath, fish can breathe underwater.
Wiki User
∙ 13y agoA dolphin is not a fish because it is warm blooded just like you and me. It is a mammal, and gives birth to it's live offspring.
Wiki User
∙ 12y agoBecause they are warmblooded and bear live young.
Wiki User
∙ 11y agoDolphins have mammary glands which are found only in mammals. They also reproduce by giving birth instead of laying eggs.
Wiki User
∙ 14y agoBecause they breath air and have hair.
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What fish is known as laughing fish?
dolphin
How do you get a dolphin fish on endless ocean?
There are not any dolphin fish that I know of.
Shark is to fish dolphin is to?
Shark is to fish dolphin is to mammal.
The voice of dolphin fish is called?
the voice of Dolphin fish is called CLICK .
Is a dolphin a reptile or fish?
Neither. A dolphin is a mammal.
Is a Dolphin that you eat the same as Dolphins that you swim with?
I think you are refering to a dolphin fish, and no they arent the same. Dolphin fish are bony fish and dolphins are mammals.
Is a dolphin a secondary consumers?
Yes, a dolphin is a secondary consumer in that a dolphin eats fish. These fish often eat plants, making fish the primary consumers.
Is a dolphin a mammal fish or a amphibian?
A dolphin is a mammal.
Is a dolphin a fish amphibians or a mammal?
A dolphin is a mammal.
Is a dolphin a fish mammal or amphibian?
A dolphin is a mammal.
Is a dolfin a fish?
A "dolphin" is a mammal.
Is dolphin national fish of India?
No Dolphon is the National Sea Animal of India. Not National Fish. National Fish is not known
