Common name: Resplendent Anthias

Care

Resplendent Anthias thrive in well-established reef aquariums with plenty of live rock and open swimming space. These fish prefer tanks with moderate to strong water flow, mimicking the currents of their natural reef habitats. They are sensitive to water quality, so stable parameters and regular maintenance are essential.

A minimum tank size of 200 liters (50 gallons) is recommended for a small group of Resplendent Anthias. They are best kept in harems, with one dominant male and several females. This setup mirrors their natural social structure and helps reduce aggression. Providing plenty of hiding spots and overhangs will make them feel secure and reduce stress.

Diet and Feeding

In the wild, Resplendent Anthias are planktivores, feeding on zooplankton and other small organisms. In captivity, they require a varied diet to stay healthy and maintain their vibrant colors. Offer a mix of high-quality frozen foods like mysis shrimp, brine shrimp, and copepods, along with finely chopped seafood. Supplement their diet with marine-specific pellets or flakes enriched with vitamins.

Feed them small portions multiple times a day, as they have high metabolisms and are accustomed to frequent feeding in the wild. Ensuring they receive adequate nutrition is key to their health and coloration.

Behavior and Compatibility

Resplendent Anthias are peaceful fish that do well in community tanks. They are most comfortable in groups, where they establish a social hierarchy. The dominant male often displays brighter colors and may exhibit courtship behaviors towards females. While generally non-aggressive, they can become territorial towards conspecifics if the group dynamic is not balanced.

These anthias are compatible with a wide range of reef-safe fish, invertebrates, and corals. Avoid housing them with overly aggressive or boisterous tank mates, as this can cause stress and inhibit their natural behaviors. They are an excellent addition to reef tanks, as they do not harm corals or other invertebrates.

Reproduction

Resplendent Anthias are protogynous hermaphrodites, meaning all individuals are born female, and the dominant individual in a group will transition to male. Breeding them in captivity is challenging but not impossible. A stable environment, proper diet, and a well-established social structure are crucial for successful spawning.

The female lays eggs in the water column, which are then fertilized by the male. The eggs and larvae are planktonic, requiring specialized care and feeding in a separate rearing tank. Raising the fry is labor-intensive and requires a diet of rotifers and other microscopic foods.

Health and Common Issues

Resplendent Anthias are relatively hardy when provided with proper care, but they can be prone to stress and disease if water quality is poor or if they are housed in inappropriate social setups. Quarantine new additions to prevent the spread of parasites or infections.

Common health issues include ich and bacterial infections, which can often be avoided with good water quality and a nutritious diet. Monitor their behavior and appearance regularly to catch any signs of illness early.

Habitat

In the wild, Resplendent Anthias inhabit coral reefs and rocky outcrops in the Indian Ocean. They are typically found at depths of 15 to 40 meters (50 to 130 feet), where they form large schools in areas with strong currents. These environments are rich in plankton, which forms the basis of their diet. Replicating these conditions in captivity will help ensure their health and well-being.