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The Yellow Coris Wrasse (Halichoeres chrysus) is a vibrant reef-safe marine fish prized for both its striking yellow coloration and its natural pest control abilities.
Highly popular in reef aquariums, this wrasse actively hunts flatworms, small bristleworms and other unwanted invertebrates, making it a functional addition to mixed reef systems.
Peaceful and hardy, the Yellow Coris Wrasse adapts well to established marine tanks and is suitable for beginner to intermediate reef hobbyists.
Key Features
• Scientific name: Halichoeres chrysus
• Reef safe with caution
• Natural pest control for flatworms and nuisance invertebrates
• Active swimmer with bright yellow coloration
• Suitable for reef and marine fish systems
Care Requirements
Tank Size: Minimum 30–40 gallons recommended
Temperament: Peaceful
Diet: Carnivore – accepts frozen mysis, brine shrimp and quality pellets
Substrate: Requires sand bed for burrowing and sleeping
Reef Compatibility: Generally reef safe
Why Add a Yellow Coris Wrasse
In reef tanks, pests like flatworms can multiply quickly. The Yellow Coris Wrasse helps manage these populations naturally while adding movement and colour to your display.
It is an active swimmer and should be kept in a covered tank, as wrasses are known jumpers.
Difficulty Level: Beginner to Intermediate
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