Indicate measures for the protection of fish resources.

The number of some species of fish suffers from their excessive catch. Therefore, it is important to observe the timing of catching certain species of fish, to limit the catch during spawning. Many fish are raised in special reservoirs.

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.