Description
Adorned Wrasse – Halichoeres cosmetus
Halichoeres cosmetus, known as the Adorned Wrasse or Cosmetus Wrasse, is an elegant and hardy species noted for its iridescent green body, orange facial lines, and striking blue highlights on the fins. Active and inquisitive, it constantly patrols the substrate and rockwork in search of small invertebrates, making it both a functional and visually captivating addition to reef aquariums.
Origin: Western Indian Ocean – Red Sea, East Africa, and the Maldives
Depth: 2–30 m (6–100 ft)
Lighting: Moderate to high (enhances iridescence and pattern clarity)
Flow: Moderate; thrives in well-oxygenated environments with gentle current
Tank Placement: Middle to lower regions with sandy substrate and rock crevices for foraging and shelter
Temperature: 74–80°F (23–27°C)
Salinity: 1.022–1.026 SG
pH: 8.1–8.4
Diet: Carnivorous – feeds on small crustaceans, worms, and invertebrates; readily accepts mysis shrimp, finely chopped seafood, and quality frozen foods
Temperament: Peaceful; generally reef-safe and compatible with most community fish
Size: Up to 13 cm (5 inches)
Care Level: Intermediate – hardy once acclimated; requires sand bed for sleeping and stress reduction
Compatibility: Excellent reef inhabitant; may prey on very small crustaceans but poses little risk to corals
