Sometimes, sick fish are fed an unchecked amount of antibiotics to treat them. When certain fishes in a population get infected, antibiotics are added to their feed profusely. It ensures that the sick ones get treated. n2. Mostly, the sick fish may even be unable to take the feed and die in the end, thereby curing the whole population.n3. It promotes the growth and prevention of diseases in the culture. But, the antibiotic-resistant strains survive and pass to other organisms like humans.n4. Antibiotics can also contaminate the water, getting flushed into the groundwater via soil and the ocean. Aquatic environments are easily adaptable to change; it supports the easy propagation of antibiotic-resistant mutations from one strain to another. This pollution can disrupt the natural ecosystem by promoting the growth of antibiotic-resistant microflora, which can eventually pass into the human body, causing illness.