Overview
The Bicolor Parrotfish (Cetoscarus bicolor) is a advanced saltwater species known for its gray-brown (juvenile), blue-green (adult male) coloration. Changes color dramatically. Mid.
Origin & Appearance
Origin: Indo-Pacific.
Colors: Gray-Brown (juvenile), Blue-Green (adult male).
Body Shape: Deep Fusiform (oval/robust). Typical adult dimensions: 80.0 x 16.0 x 32.0.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 528 gallons |
| Temperature | 75–81°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | very-high |
| Oxygen Demand | high |
| Plant Safe | yes |
| Aquarium Position | Mid |
Behavior & Activity
Active reef grazer; bites and scrapes coral with beak; constant swimming; creates sand from coral digestion
Speed: 50/100Aggression: 3/10diurnal
Breeding
Not bred at home
Common Diseases
💊 Ich💊 difficult to feed
Expert Notes
Changes color dramatically; needs huge tank