Overview
The Green Chromis (Chromis viridis) is a beginner saltwater species known for its iridescent green-blue coloration. Peaceful schooling damselfish. Mid to Top.
Origin & Appearance
Origin: Indo-Pacific.
Colors: Iridescent Green-Blue.
Body Shape: Deep Fusiform (oval/robust). Typical adult dimensions: 10.0 x 2.0 x 4.0.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 30 gallons |
| Temperature | 75–81°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | low |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Mid to Top |
Behavior & Activity
Active mid-water schooler; smooth synchronized group swimming above reef; constant gentle movement
Speed: 50/100Aggression: 2/10diurnalSchooling (6+)
Breeding
Moderate; egg depositor on rock
Common Diseases
💊 Hardy
Expert Notes
Peaceful schooling damselfish