Freshwater fish are a fun and easy way to get into the aquarium hobby. There is an unbelievable variety of tropical fish from bettas to discus and cichlids, as well as aquarium goldfish. All fish we offer for sale are healthy, vibrant, and eating well.

As with everything at Optimum Aquarium, quality is our goal. We do everything in our power to purchase only top quality freshwater fish and choose tank-bred specimens over wild caught when possible. This helps ensure the best chance of success in your home aquarium.