Scribbled Anthias - Pseudanthias bimaculatus

The Scribbled Anthias (Pseudanthias bimaculatus) is a striking reef fish admired for its vivid colors and active swimming behavior. Males display bright pinks and reds with distinct markings, while females are more subdued but equally graceful. Best kept in groups with a single male and several females, this anthias brings constant motion and beauty to larger reef aquariums.

Description:

Common Name: Scribbled Anthias, Twospot Anthias, Twinspot Anthias

Scientific Name: Pseudanthias bimaculatus

Family: Serranidae

Size: Up to 5 inches (12 cm)

Temperament: Peaceful

Difficulty: Moderate

Reef Safe: Yes

Native Region:

Found throughout the Indo-Pacific, particularly around reef slopes and drop-offs where they form schools in midwater.

Aquarium Setup:

Tank Size: Minimum of 100 gallons

Temperature: 74–80°F (23–27°C)

pH: 8.0–8.4

Salinity: 1.023–1.025

Substrate: Prefers open swimming space with plenty of live rock for retreat; moderate to strong flow and stable water quality are essential.

Additional Tips:

• Schooling Behavior: Keep one male with a group of females for natural social dynamics.

• Feeding: Carnivorous—requires frequent small feedings of frozen mysis, enriched brine shrimp, and finely chopped seafood.

• Lighting Needs: Thrives under standard reef lighting; not demanding but benefits from a stable photoperiod.

• Compatibility: Peaceful with most reef-safe fish, but avoid housing with aggressive species.