Bluehead Wrasse (Thalassoma bifasciatum)
Thalassoma bifasciatum
Origin: Caribbean, Western Atlantic
Water Parameters
Quick Stats
- Max Size
- 18 cm
- Min Tank
- 250 L
- Lifespan
- 4-7
- Swimming Level
- middle
- Schooling
- No
- Diet
- Carnivore — mysis, krill, chopped squid, small marine invertebrates
- Temperament
- Semi-aggressive; eats small shrimp and worms; bold and active
About
The Bluehead Wrasse is famous for its dramatic sexual dichromatism — terminal phase males display a brilliant blue head separated from a green body by black-and-white bars. Common in Caribbean reefs, it is an active predator of small invertebrates and crustaceans. Its intelligence and personality make it a captivating centrepiece for larger FOWLR systems.
Care Guide
Provide sandy substrate for sleeping. Feed meaty marine foods: mysis, krill, chopped squid. Will eat small ornamental shrimp, worms, and small fish. Tight-fitting lid essential — active jumper. Pair-compatible in large systems; keep one male per tank. Best in FOWLR or large reefs with robust fish only.
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