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鱼和所有的动物一样,都必须从它们的生活环境取得食物,摄取食物的营养而生存。不同种类的鱼生活的水域环境不同,生活习性各异,所以,爱吃的食物种类也有天壤之别。根据鱼类的主要
Like all animals, fish must acquire food from their living environment and survive by ingesting the nutrition of the food. Different types of fish live in different waters and have different habits, so the types of food they eat are also different. According to the main fish