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RED SPOTTED GOBY (Rhinogobius Rubromaculatus)

RED SPOTTED GOBY (Rhinogobius Rubromaculatus)

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The Red Spotted Goby (Rhinogobius rubromaculatus), is a rare freshwater goby that is native to Taiwan. It is known for the deep red spotting that male and most female specimens display.  Females are not as colorful, but are still very attractively marked. This fascinating, peaceful fish is a carnivorous goby that rarely exceeds 2 inches in length. 


An aquarium with slow to moderate water flow and very clean, clear water is required for the Red Spotted Goby.  This fish is native to shallow, clear streams and pools and it is sensitive to declines in water quality, so regular aquarium maintenance is a must.


The Red Spotted Goby feeds mostly on very small invertebrates in nature. In the aquarium, it is known to readily accept frozen meaty foods such as bloodworms, Mysis, Daphnia and Artemia. This fish will rarely accept high-quality dry foods, and it will not thrive long-term on such a diet. As long as it is kept in a well-maintained, mature aquarium, the Red Spotted Goby is a hardy and entertaining fish. It will not bother aquarium plants. In fact, Anubias species are an excellent plant to keep with this goby.


The Red Spotted Goby is a subtropical fish that should not be extensively kept at a temperature above 75° F.  Most small rasboras, tetras, hillstream loaches, and other small, peaceful fish are good tankmates for the Red Spotted Goby.  Dwarf shrimp are likely to be eaten by this fish, but any peaceful invertebrates that are large enough not to be eaten can make good tankmates as well. Peaceful bottom-dwelling fish are also a possibility, but care must be taken to make sure that the Red Spotted Goby is not outcompeted for food.


There are reported cases of the Red Spotted Goby spawning in the aquarium, but it is difficult to raise the fry due to their very small size and immobility. This fish reportedly does not go through the same saltwater larval stages that many other freshwater gobies experience, so successfully raising this species in the home aquarium is possible.

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