Bimaculatus Anthias Care Guide
Pseudanthias bimaculatus · Saltwater Anthias

What Bimaculatus Anthias look like
Pseudanthias bimaculatus, commonly known as the Bimaculatus Anthias, exhibits a strikingly vibrant coloration characterized by a predominantly orange to pink body, accentuated by two prominent black spots located posteriorly on the upper half of the body. Adult specimens can reach a maximum size of approximately 4 inches (10 cm) in standard length. Sexual dimorphism is evident, with males typically displaying more vivid coloration and larger body size compared to females. The species possesses a laterally compressed body, which aids in agile swimming, and features a forked caudal fin that enhances its maneuverability. The dentition consists of small, conical teeth adapted for feeding on zooplankton, while the presence of a lateral line system allows for enhanced sensory perception in the water column, crucial for detecting movement and potential predators.
Behavior & temperament
Bimaculatus Anthias are known for their social behavior, often forming loose aggregations in the water column, typically found at depths ranging from 30 to 150 feet (9 to 46 meters). They exhibit a hierarchical social structure, with dominant males establishing territories and maintaining a harem of females. Breeding behavior involves courtship displays characterized by rapid swimming and color changes, particularly during spawning events. The species is generally peaceful but can exhibit territorial aggression, particularly among males during breeding periods. They are pelagic feeders, actively swimming in the water column to capture zooplankton, and display a tendency to dart into crevices when threatened.
Diet & feeding
In the wild, Bimaculatus Anthias primarily feed on zooplankton, including small crustaceans and larval fish. In captivity, they require a varied diet consisting of high-quality frozen or live foods such as mysis shrimp, brine shrimp, and finely chopped marine flesh, supplemented with high-quality pellets designed for carnivorous fish.
Behind the name
The genus name 'Pseudanthias' is derived from the Greek words 'pseudo,' meaning false, and 'anthias,' referring to a type of fish, indicating its resemblance to other anthias species. The species name 'bimaculatus' comes from the Latin 'bi-' meaning two, and 'maculatus,' meaning spotted, referring to the two distinctive black spots on its body.
Plan your tank
Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.
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