Overview
The Melanurus Wrasse (Halichoeres melanurus) is a beginner saltwater species known for its green-blue, red tail with eye marks coloration. Excellent pest control wrasse. Mid to Bottom.
Origin & Appearance
Origin: Western Pacific.
Colors: Green-Blue, Red tail with eye marks.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 12.0 x 2.2 x 3.6.
Sexual Dimorphism: Strong; sequential hermaphrodite; terminal males more colorful.
Tank & Water Requirements
| Min Tank Size | 53 gallons |
| Temperature | 75–79°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | medium |
| Oxygen Demand | medium |
| Plant Safe | yes |
| Aquarium Position | Mid to Bottom |
Behavior & Activity
Active reef patroller; quickly darts through rockwork hunting pests; dives into sand to sleep at night
Speed: 50/100Aggression: 3/10diurnal
Breeding
Not bred at home; pelagic spawner
Common Diseases
💊 Ich
Expert Notes
Excellent pest control wrasse