The Andaman and Nicobar Islands are well known around the world for their exceptional marine biodiversity and spectacular coral reef ecosystems. Marine ornamental fishes are one of these resources that are imperative to the global aquarium commerce. They support livelihoods but also raise concerns about reef impairment as a result of careless wild collection. Marine ornamental fish culture, which involves the controlled breeding and raising of ornamentals, provides a sustainable alternative that strikes a balance between economic development and conservation. The scope, methods, recompenses, and difficulties of Andaman marine ornamental fish culture, emphasizing its potential as a sustainable source of income for coastal communities while preserving delicate reef habitats.