Yellow Coris Wrasse (Halichoeres chrysus)

The Yellow Coris Wrasse is a striking and active marine fish known for its bright, vibrant yellow coloration. This peaceful wrasse is highly popular in reef tanks for its algae-eating habits and ability to help control unwanted pests, such as bristle worms. Its active nature and bold coloration make it an attractive addition to any marine setup, while its peaceful demeanor ensures compatibility with other reef tank inhabitants.

Care Information

• Maximum Size: Up to 5 inches.
• Tank Size: 50 gallons minimum; larger tanks with ample swimming space and plenty of rockwork for exploration are recommended.
• Diet: Carnivorous; feeds on a variety of meaty foods such as mysis shrimp, brine shrimp, and finely chopped seafood. It also benefits from high-quality frozen or pellet foods. The Yellow Coris Wrasse will also feed on small invertebrates and is known to help control pests in reef tanks.
• Water Temp: 72-78°F.
• Salinity: 1.020-1.025.
• Aggression: Peaceful; gets along well with other peaceful tankmates, including small fish and invertebrates. It is a great addition to community and reef aquariums.
• Skill Level: Beginner to Intermediate; relatively hardy and easy to care for with stable water conditions and appropriate tank setup.
• Reef Compatibility: Reef-safe; does not harm corals or invertebrates, and can help control pest populations such as bristle worms and flatworms.

Special Requirement - Sand Substrate and Secure Lid
The Yellow Coris Wrasse requires a soft sand substrate, as it buries itself in the sand at night to sleep and hide when threatened. Providing a soft, fine-grain sandy area is essential for its natural behavior and overall well-being.

In addition, this species is known to be a jumper, particularly when startled. It is important to have a secure, tightly fitted lid on the aquarium to prevent it from leaping out of the tank.

Coloration

• Indo-Pacific Region: The Yellow Coris Wrasse is a bright yellow fish with no additional markings, which makes it stand out beautifully in any marine tank. Its consistent, bold yellow coloration adds a splash of color to the tank and makes it easy to spot​.

Typical Habitat

• Distribution: The Yellow Coris Wrasse is native to the Indo-Pacific, including the waters around Fiji, Tonga, and the Great Barrier Reef. It is commonly found in coral reefs and lagoons, where it hunts for small invertebrates among the rockwork and sand.