Red-Bar Anthias

The Red-Bar Anthias (Pseudanthias cooperi) is a vibrant and active fish, celebrated for its striking coloration and dynamic presence in the aquarium. Native to the Indo-Pacific region, particularly around coral reefs, this species adds a splash of color and movement to any marine setup.

(REEF SAFE / INTERMEDIATE)

Essential Information:

• Common Names: Red-Bar Anthias, Cooper's Anthias
• Scientific Name: Pseudanthias cooperi
• Family: Serranidae
• Origin/Habitat: Inhabits the Indo-Pacific region, particularly around coral reefs.
• Maximum Size: Typically grows up to 4 inches (10 cm).
• Lifespan: In captivity, they can live up to 10 years with proper care.
• Level of Difficulty: Intermediate; requires experienced care due to specific environmental needs.

Appearance & Physical Traits:

• Coloration & Pattern: Males exhibit a vibrant red bar across the body, with a mix of pink and yellow hues. Females are generally more subdued, displaying a pinkish body with a yellow tail.
• Body Shape & Structure: Elongated, slender body with a slightly compressed profile; fins are elongated and flow gracefully.

Habitat & Environmental Needs:

• Minimum Tank Size: A 70-gallon (265-liter) tank is suitable for a single individual; larger tanks are recommended for groups.
• Water Temperature: Maintain between 72°F and 78°F (22°C to 26°C).
• pH Level: Keep between 8.1 and 8.4.
• Specific Gravity: Optimal range is 1.021 to 1.025.
• Aquascape: Provide ample live rock formations and caves for hiding; ensure the tank has a moderate water flow to mimic natural reef environments.

Diet & Feeding:

• Diet Type: Carnivorous
• Preferred Foods: A varied diet including high-quality marine flakes or pellets, supplemented with live or frozen foods such as brine shrimp, mysis shrimp, and copepods.
• Feeding Frequency: Feed small amounts 2 to 3 times daily.

Behavior & Compatibility:

• Temperament: Generally peaceful; males may exhibit territorial behavior, especially when establishing dominance.
• Social Behavior: Often found in harems; in captivity, they can be kept singly or in groups with one male and several females.
• Tank Mate Compatibility: Compatible with other peaceful marine species; avoid housing with aggressive fish that may bully them.
• Activity Level: Active swimmers, often staying in the middle to upper levels of the tank.

Care Considerations & Additional Notes:

• Ease of Care: Intermediate; requires experienced care due to specific environmental needs.
• Special Requirements: Regular water changes and monitoring of water parameters are essential to maintain health.
• Breeding Info: Red-Bar Anthias are known to breed in captivity; they are egg-layers, often depositing eggs on flat surfaces near their chosen territory.
• Additional Notes: Providing ample hiding spots and territories can help reduce stress and territorial disputes.