Crayfish grow up to 5 inches (12.7 centimeters) and should be kept in a tank that’s at least 30 gallons. Blue discus fish are bred in several color varieties, including plain blue and blue-turquoise ...

Please verify your email address. A brightly colored tropical fish that is popular in aquariums. The Blue Discus is a Fish found in Stardew Valley. A brightly colored tropical fish that is popular ...