<p><span style="font-size:14px"><span style="font-family:Arial,Helvetica,sans-serif">Human activities have dangerously altered the balance of aquatic Ecosystem. Over fishing, trawling and dredging, plastic debris &amp; nets, waste dumping, toxin washing, oil spills and piracy on the high seas has done extensive damage to the ecosystem. The aquatic ecosystem is vital to the health and welfare of all life forms that pass through it. The present paper attempts to recount the immeasurable benefits of aquatic ecosystem which are indispensable for the ecological balance and preservation of the planet &lsquo;Earth&rsquo;. The human callousness has jeopardized the costal wetlands and oceans to irreversible levels causing increase in water temperature, drying of lacks, change in streams, increase in the distribution areas of ailment vectors, change in precipitation amounts and models. Loss of this magnitude has impacted the entire ecosystem depriving valuable resources of food, medicines and industrial materials for human beings.</span></span></p>