Damselfish
Green Chromis
Chromis viridis
The gentlest damsel — and the only one that schools beautifully. Keep 5–7+ in a 200+ litre tank with branching coral to shelter in.
Difficulty
beginner
Adult size
Up to 9 cm
Temperament
Peaceful; the ideal schooling damsel
Minimum tank
200+ litres
Diet
Omnivore — flakes, pellets, frozen mysis
Lifespan
8–15 years
Water parameters
- Temperature75–80°F
- Specific gravity1.024–1.026
- pH8.1–8.4
Species-specific requirements override general saltwater guidelines.
Natural habitat
Lagoon coral heads of the Indo-Pacific, sheltering among branching coral
Care notes
Blue-green shimmer under actinic lighting. Groups establish a pecking order; odd numbers help.
Sourcing & ethics
We list only species that can be sourced responsibly. Availability in Nepal varies — confirm current stock before planning a build.
Widely available; sold in groups for schooling.
Compatibility
Keep with caution
“Caution” reflects likely aggression or predation — outcome depends on tank size, order of addition and individual temperament.