Thalassoma trilobatumis commonly referred to as Christmas wrasse, Green-barred wrasse, Green-blocked wrasse, Ladder wrasse, Parrotfish. Difficulty in the aquarium: Not for beginners. A aquarium size of at least 3000 Liter is recommended. Toxicity: Toxic hazard unknown.
A colourful wrasse often seen in the surge zone on reef flats and reef margins. Females have spotted head and no 'V-shaped' mark on the snout. Males have a plain brownish to orange or bluish head.
Source: Fishes of Australia