Fathead Sunburst Anthias

Fathead Sunburst Anthias

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Sunburst Anthias (Serranocirrhitus latus), also known as Fathead Sunburst Anthias or the Sunburst Basslet, is a stunning and colorful saltwater fish that is popular in the aquarium hobby. Keeping Sunburst Anthias in a saltwater aquarium requires careful consideration of their habitat, diet, and tank conditions. Here's a care guide to help you maintain a healthy and thriving Sunburst Anthias in your aquarium.

Tank Size

A minimum tank size of 75 gallons (around 284 liters) is recommended for a small group of Sunburst Anthias. A larger tank is preferable, as it provides more space and reduces stress among tank inhabitants.

Water Quality

Maintain stable water parameters with a temperature range of 72-78°F (22-26°C) and a specific gravity of around 1.025. Regularly test and adjust pH, ammonia, nitrites, and nitrates to maintain optimal water quality.


Utilize an efficient filtration system, such as a protein skimmer, to remove waste and maintain water clarity. Incorporate live rock to provide biological filtration and hiding spots for the Anthias.


Sunburst Anthias are carnivorous fish. Feed them a balanced diet that includes high-quality frozen or live foods like brine shrimp, mysis shrimp, copepods, and other small marine invertebrates. Offer a variety of food types to meet their nutritional needs.

Feeding Schedule

Due to their fast metabolism, feed Sunburst Anthias multiple times a day, which mimics their natural feeding behavior.


Sunburst Anthias are generally peaceful but can be territorial, especially males. Avoid keeping multiple males in the same tank. Choose tankmates carefully, selecting other peaceful reef fish and invertebrates that are compatible with Anthias.

Hiding Spots

Provide hiding spots using live rock, caves, or coral branches to reduce stress and aggression and create secure areas for your Anthias.

Water Flow and Lighting

Simulate their natural habitat with moderate to strong water flow. Utilize appropriate lighting to support the health of coral and other photosynthetic organisms in the tank.


Quarantine new fish before introducing them to your main tank to prevent disease transmission.

Behavior and Compatibility

Sunburst Anthias often form haremic groups in the wild, consisting of one dominant male and several females. It's best to keep only one male in your tank to avoid aggression issues, and you can keep a group of females with him.


Regularly monitor your fish for any signs of stress, disease, or aggression, and take appropriate actions if any issues arise.

Maintaining a saltwater aquarium, especially with species like Sunburst Anthias, requires dedication and attention to detail. Be prepared to invest the time and resources needed to ensure the well-being of your fish and other tank inhabitants. Consulting with experts and conducting thorough research will help you succeed in this endeavor.