Aquaculture, often celebrated as a solution to the world’s growing appetite for seafood, conceals a grim underside that demands attention. Behind the promise of plentiful fish and reduced overfishing lies an industry plagued by environmental destruction and ethical challenges. Overcrowded farms foster disease outbreaks, while waste and chemicals pollute fragile ecosystems. These practices not only jeopardise marine biodiversity but also raise serious concerns about the welfare of farmed fish. As calls for reform grow louder, this article sheds light on the hidden realities of aquaculture and examines efforts to champion sustainability, compassion, and meaningful change in how we interact with our oceans