What is the significance of fishes in our lives?

Fish are very important to man economically. They are important
1. As food

2.are a source of income and employment to many developing regions
3.Fish can also assist in controlling diseases like malaria, yellow fever and other dreadful diseases that are spread through mosquitoes.
4.Fish provides nutrients and micronutrients that are essential to cognitive and physical development, especially in children, and are an important part of a healthy diet.
5.It is the best source of omega 3-fatty acids.
6.Not only are they a food source for several species, but they also provide links between ecosystems