Tortoise and tortoise are different animals. Turtles are hard shells with cracked lines on the shell surface; The tortoise is a soft shell with a smooth surface. The scientific name of tortoise is turtle, and in some places it is also called turtle.
Turtle, also known as water fish, round fish, soft-shelled turtle, foot fish, crawling fish, tuanyu, tortoise. The activity law of soft-shelled turtle can be summarized into four sentences: "It's warm in late spring, climbing on the beach, diving in Liu Yin in hot summer, entering the cave in cool autumn, and hibernating in cold weather."
The tortoise shell has thirteen petals, hard, oval head, hard beak, no teeth, and patterns on the head and limbs.
Tortoise (soft-shelled turtle, turtle, yuanyu, giant fish, tuanyu ...) has a dark green shell, no pattern, a soft head, teeth, and a long neck, including tortoise, water turtle and amphibian.
Turtles are a large category of turtles, and there are many kinds. Most of them are gentle and don't take the initiative to attack other animals (excluding what they think is food). The tortoise, commonly known as Jiajiao, is a tonic on the table (most people think so). Unlike the tortoise, it is fierce and often attacks other animals when it thinks it will be in danger.