Finding saltwater fish for sale online from reliable sources can be a challenge. There are many options for online shopping, but not all online storefronts are created equal. The following are online stores that are highly rated by fishkeepers like you and me.
Dr. Reefs Quarantined Fish

In an industry where speed often surpasses safety, Dr. Reefs Quarantined Fish provides a unique and important service for the modern aquarist. They recognize that the vast majority of wild-caught and tank-raised species enter the market carrying the invisible burden of parasites and disease. Dr. Reef has moved away from the ‘mass-retail’ model. Instead, they operate on a meticulous, request-only basis. By avoiding the logistical pitfalls of high-volume wholesalers. who simply cannot provide individual attention to thousands of fish. Dr. Reef focuses on a smaller, more intimate scale. While a handful of popular, pre-conditioned species are kept on hand, the core of the business is a bespoke quarantine process designed to ensure that every fish delivered is as healthy as it is beautiful.
Check out their extensive quarantine process for the fish they sell, and if that impresses you, stop by the Dr. Reefs Quarantined Fish Online Shop for your fishkeeping needs. Dr. Reefs focuses mainly on saltwater, but there are freshwater options available on their website as well.
TSM Aquatics

TSM Aquatics serves as the premier source for the rare and many sought-after species in the hobby. Their philosophy is built on the combination of exclusivity and biological security. Unlike standard retailers, TSM operates a sophisticated, ‘clean-system’ facility where every specimen undergoes a rigorous 30-day quarantine protocol.
By the time a fish appears on their site, the hard work of acclimation is already done. TSM Aquatics makes sure the animal is eating, disease-free, and prepared to thrive in your fish-only or reef aquarium. For the collector who demands both rarity and peace of mind, TSM delivers an experience that shouldn’t be skipped. Check out the TSM Aquatics quarantine process to learn how they run their systems to provide high-quality livestock. Once you’re ready to go, take a look at the wide selection of fish, corals, and invertebrates that TSM Aquatics offers.