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The Bicolor dottyback also referred as Bicolor Pseudochromis is a beautiful fish to adorn any salt water aquarium. The habitat of this fish is the ocean around Malaysia and Indonesia. It's a fish from South East Asia.. It is a beautiful colored fish. It normally has a purple and yellow color that makes it stand out in an aquarium. The two colors purple and yellow merge at the center of body. The bicolor dottyback is not one of the tiny fishes, as it grows to a length of almost 3 inches if cared for properly. Keeping a bicolor dottyback in an aquarium is a good choice for anyone who is new to to saltwater fish keeping. A novice will also find it easy to cultivate this fish. One reason for this is that the fish is hardy and resilient and can survive easily. The Bicolor dottyback has a life span of almost 5 years, if looked after properly. One of the clues for this fish to live its complete span of life is quality of water and proper diet. The Bicolor dottyback is an aggressive fish, as such a very small tank to house it should be avoided. The fish has a peculiar characteristic which will enthrall hobbyists. It has capacity to change its gender from male to female and vice-versa. Thus 2 dottybacks in a water tank are easy to breed and a source of great pleasure for a hobbyist The bicolor dottyback does not need a large tank. A 30 gallon water tank will suffice for holding the fish. However a larger tank will be a help in keeping the anger of the fish under control. A small tank can lead to harassment of other inmates by the bicolor dottyback. One way of getting around this problem is to populate the aquarium with fewer fish The aquarium enthusiast while setting up the water tank must use imagination. Lots of hiding spots, rocks, crevices and caves structure must be incorporated in the tank so that the dottyback has its own territory. Keep the lighting diffused as a strong light irritates the bicolor dotty back. One aspect of keeping a bicolor dottyback in the aquarium is the diet of the fish. It is important to feed it brine shrimps, mysis shrimps, krills, squid and crabs A proper diet for this fish is essential as otherwise the fish starts to lose their vibrant colors. It's important to keep the diet varied. As already pointed out the bicolor dottyback is apt to get angry. Thus its tank mates must be chosen carefully. Try and populate the aquarium with the dottyback with fewer fish. It is advisable to keep large damsels, tangs, angelfish and hawkfish along with the dottyback. These fishes can withstand the anger of a bicolor dottyback. The fish tank needs to be maintained at a temperature of about 22-26 degrees Celsius, as it's a fish from the tropics. It's a carnivorous fish and needs a diet accordingly. Breeding the bicolor dottyback is great fun and the hobbyist can observe how the fish change sex to breed.