Square Anthias Fish

The Square Anthias is a colorful and active marine fish admired for its bright appearance and peaceful nature. It is a popular choice for established reef aquariums and adds constant movement and color to the display.

Family: Serranidae (Grouper and Anthias family)

Scientific Name: Pseudanthias pleurotaenia

Common Name: Square Anthias

Behavior:

Peaceful, active, and social. Square Anthias naturally live in groups, with a dominant male and several females. Males can be territorial toward other males, so keeping one male with several females is recommended.

Diet:

Planktivorous. Feed a varied diet of mysis shrimp, enriched brine shrimp, finely chopped frozen marine foods, and high-quality marine pellets. Small meals several times a day are ideal.

Size:

Can reach approximately 5–6 inches (13–15 cm) in length.

Reef Safe:

Yes, reef safe. Square Anthias are generally safe with corals and most reef invertebrates, making them excellent additions to reef aquariums.

Best Aquarium:

A mature reef aquarium of at least 100 gallons (380 liters) is recommended, especially when keeping a group. Provide plenty of open swimming space, live rock, caves, and strong water movement with good oxygenation.

Care Level:

Intermediate

Summary:

The Square Anthias is a beautiful, active, and reef-safe fish that brings vibrant color and movement to a marine aquarium. It is best kept in a suitable social group and provided with frequent feedings and excellent water quality.