Porcupine is an animal belonging to the genus porcupine, and dolphin refers to an animal belonging to the dolphin family. Their biological classification is different, so they don't refer to the same animal.

Besides, their bodies are different.

There are many kinds of dolphins. The smaller dolphins are only about 1.5 meters, and the larger dolphins can grow to 10 meters.

However, the body length of porcupines is usually between 1.2- 1.9 meters, and there will be no very large individuals.

1. Are porpoises dolphins? Both finless porpoises and dolphins are animals living in the ocean, and they are very similar in appearance.

Moreover, the word "dolphin" itself means pig, so many people will think that sea pigs are dolphins.

In fact, porcupines and dolphins are not the same animal. Although they are all mammals in the class Mammalia, the specific families and genera are different and cannot be confused.

In fact, the two are different in some aspects, and we can distinguish them from these differences.

Second, what is the difference between a porcupine and a dolphin? 1. Different families and genera: Although porcupines and dolphins are mammals living in the sea, their specific families and genera are different.

Porcupine belongs to the genus porcupine, and dolphin refers to animals in the dolphin family, including more than a dozen genera.

Although they belong to different families, they are closely related to each other, which is why they are similar in appearance and habits.

2. Different body shapes: porcupines and dolphins have different body shapes.

Although porcupines are somewhat similar in appearance to dolphins, they are smaller than most dolphins.

Specifically, the body length of porcupines is between 1.2- 1.9 meters, while that of dolphins is generally between 1.5- 10 meters. There are many large dolphins, generally larger than porcupines.

3. Different distribution ranges: porcupines and dolphins have different distribution waters.

Sea pigs are mainly distributed in the warm waters of the Pacific Ocean and the Indian Ocean.

Dolphins are more widely distributed in waters around the world.

4. How many varieties are different: porcupine refers to the porcupine, and there is only one kind.

All animals in the dolphin family can be called dolphins, including many species, and there are some differences between them.