Pufferfish skull

The pufferfish is a mammal in the family of pufferfish in the order Rodentia. Large body size. The head is broad, the ears are short and round, and the eyes are small; The kiss is thick and short, with a truncated front end and a large upper lip; The limbs are short and thick, with four toes on the front foot and three toes on the back foot, with slight webbing between the toes; The body hair is thick and sparse, appearing dark grayish yellow. Distributed in South America, living in the Amazon River basin. They inhabit riverbanks or swampy areas, often in family clusters. Gentle personality, likes to be quiet, moves slowly, and can quickly jump into the water to escape in case of danger. Skilled in swimming and diving, able to swim for long distances underwater or remain motionless in aquatic plants for extended periods of time. Feed on reeds and other plants in the river.