Acqua Fish is an online retailer specializing in marine aquariums, offering products for hobbyists who want to bring a piece of the ocean into their homes. Its catalog includes live corals such as LPS, soft corals, SPS, zoanthids, and palythoas, alongside marine fish and invertebrates. Customers can also shop for aquariums, lighting, and equipment, including air compressors, filters, pumps, skimmers, heaters, and cleaning supplies.

To support aquarium care, Acqua Fish stocks water-quality test kits, substrates, filtration media, conditioners, medications, salts, coral foods, and nutritional supplements, including vitamins and trace elements. The range also includes feeding tools and accessories, such as coral feeders and aquarium tongs. Products are offered for immediate delivery or by order, with the site highlighting air-shipping schedules and shipping across Brazil subject to conditions. Shoppers can browse new arrivals, best sellers, and limited-time offers, and may receive a discount for paying via Pix. The website provides customer-service contact by WhatsApp and email, as well as account tools for orders and shipment tracking.