Radiant Wrasse

The Radiant Wrasse (Halichoeres iridis) is a stunning fish known for its dazzling color and active behavior. With its bright, vibrant hues and intricate patterns, it is a favorite among saltwater aquarium enthusiasts. Native to the Indo-Pacific region, the Radiant Wrasse is often found in coral reefs, where it plays an important role in controlling small pests and parasites. Its beauty and natural behaviors make it a valuable addition to reef tanks.

(REEF SAFE WITH CAUTION / INTERMEDIATE)

Essential Information:

• Common Names: Radiant Wrasse, Iridescent Wrasse
• Scientific Name: Halichoeres iridis
• Family: Labridae
• Origin/Habitat: Found in coral reefs of the Indo-Pacific region, particularly in the Philippines, Indonesia, and surrounding areas.
• Maximum Size: Grows up to 3.5 inches (9 cm).
• Lifespan: Typically lives for 4 to 6 years in captivity with proper care.
• Level of Difficulty: Intermediate; requires stable water conditions and some experience with marine fish.

Appearance & Physical Traits:

• Coloration & Pattern: The Radiant Wrasse has a striking combination of bright red, orange, and yellow hues, with blue and green highlights that create a radiant, iridescent effect. Its body is covered with thin blue stripes and spots.
• Body Shape & Structure: Slender, elongated body that tapers to a pointed snout; the tail fin is often bright yellow, further adding to its colorful display.

Habitat & Environmental Needs:

• Minimum Tank Size: A 30-gallon (114-liter) tank is recommended for a single individual.
• Water Temperature: Maintain between 74°F and 80°F (23°C to 27°C).
• pH Level: Keep between 8.1 and 8.4.
• Specific Gravity: Optimal range is 1.022 to 1.025.
• Aquascape: Provide plenty of live rock for hiding and grazing, as the Radiant Wrasse enjoys seeking out small pests and parasites. It also benefits from open swimming spaces.

Diet & Feeding:

• Diet Type: Carnivorous
• Preferred Foods: A diet of live or frozen foods such as brine shrimp, mysis shrimp, and small crustaceans; it can also accept high-quality marine flakes or pellets.
• Feeding Frequency: Feed 2 to 3 times daily in small portions to maintain optimal health.

Behavior & Compatibility:

• Temperament: Peaceful and active, but can be territorial, especially towards other wrasses or similar-looking fish.
• Social Behavior: Best kept singly or in small groups in larger tanks; may show aggression towards other wrasses or fish with similar body shapes.
• Tank Mate Compatibility: Compatible with most peaceful marine fish; avoid aggressive species or other wrasses unless there is ample space.
• Activity Level: Very active and constantly exploring the tank, often swimming along the substrate looking for food.

Care Considerations & Additional Notes:

• Ease of Care: Suitable for intermediate hobbyists due to its dietary and water quality requirements.
• Special Requirements: Regular water changes, a varied diet, and an established tank with hiding spots are essential for maintaining health.
• Breeding Info: Breeding in captivity is not well-documented, but they are egg-layers and may reproduce in larger, well-maintained tanks.
• Additional Notes: While the Radiant Wrasse is generally reef-safe, it may occasionally pick at small invertebrates or eggs. It is a highly active and entertaining species, making it a great addition to reef tanks with peaceful tank mates.