What is the importance of fish in nature?

They are the most important link in the food chains of aquatic communities. Consuming a huge amount of plants and invertebrates developing in water, fish regulate their numbers. Predatory fish hunt for smaller fish, often for individuals of their own species, often eat eggs and fry.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.