There are several reasons why sea lions continue to swim. First, sea lions are marine mammals that have evolved adaptations for living in water. Their body structure is adapted for swimming, with the shape and function of each body part helping them move through the water. For example, their limbs evolved into fins that propelled them through the water like paddles. Additionally, they have a dense layer of oily, waterproof hair that helps keep the body warm and reduce water resistance.
In addition, the ocean is the main living environment for sea lions. They search for food, reproduce and live in the ocean. In order to find food, sea lions must swim to different areas. They often hunt fish and other marine life in the ocean and use their swimming ability to catch their prey. The food of sea lions is mainlyt made up of fish and other marine life, so swimming for a long time can bring them closer to more food resources.
In addition, the swimming ability of sea lions is also linked to their lifestyle habits. Sea lions are social animals that usually form groups and live in marine areas close to coastlines. To protect themselves and find food, sea lions must constantly swim in the ocean, remain vigilant and interact with other marine life.
In general, sea lions have always swum based on their evolutionary adaptation and vital needs. Their body structure and swimming abilities make them excellent swimmers, and swimming in the ocean meets their vital needs.