Acanthurus nigrofuscus, commonly known as the Lavender Tang or the Chocolate Surgeonfish, is a popular species in marine aquariums due to its striking appearance and relatively peaceful demeanor. Here are some care guidelines for keeping Acanthurus nigrofuscus in a marine aquarium: Reef safe? YES
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Tank Size: Provide a tank size of at least 75 gallons for a single specimen. If keeping multiple tangs, a larger tank with ample swimming space is necessary to minimize aggression.
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Water Parameters: Maintain stable water parameters with a temperature range of 75-82°F (24-28°C), pH between 8.1-8.4, and specific gravity of 1.020-1.025. Regular monitoring and maintenance of water quality are essential.
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Aquascape: Create plenty of hiding spots and open swimming areas in the aquarium. Live rock formations with caves and crevices mimic their natural habitat and provide hiding places when needed.
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Diet: Acanthurus nigrofuscus is primarily herbivorous, feeding on algae and plant matter. Offer a varied diet including high-quality marine algae, spirulina, and other vegetable matter. Supplement their diet with occasional meaty foods like brine shrimp, mysis shrimp, and marine-based preparations to ensure proper nutrition.
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Tankmates: Choose tankmates carefully, avoiding aggressive or territorial species that may bully or harass the tang. Peaceful reef fish and invertebrates are generally suitable companions. However, avoid housing Acanthurus nigrofuscus with other tangs of the same genus unless the tank is exceptionally large.
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Compatibility: Although generally peaceful, Acanthurus nigrofuscus can become territorial, especially towards conspecifics (members of the same species) or similar-looking tangs. Introducing them to the tank last or providing plenty of space and hiding spots can help reduce aggression.
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Handling: When handling Acanthurus nigrofuscus, exercise caution due to their sharp spines. Use a net or container to move them safely without causing injury to yourself or the fish.
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Quarantine: Quarantine new additions before introducing them to the main tank to prevent the spread of diseases. Monitor their behavior and health closely during this period.
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Water Flow and Filtration: Provide adequate water flow and filtration to maintain water quality and simulate their natural ocean habitat. Tangs like Acanthurus nigrofuscus appreciate strong water movement, which helps oxygenate the water and maintain a healthy environment.
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Observation: Regular observation of your Acanthurus nigrofuscus is crucial for detecting any signs of illness or stress early. Look out for abnormal behavior, loss of appetite, or physical injuries, and take appropriate action if necessary.
By providing proper care and a suitable environment, Acanthurus nigrofuscus can thrive and become a stunning addition to your marine aquarium.