Butterflyfish
Copperband Butterflyfish
Chelmon rostratus
Famous for being hard to start feeding — many starve in new tanks. Peaceful with tankmates; can help control nuisance anemones.
Difficulty
advanced
Adult size
Up to 20 cm
Temperament
Peaceful but delicate
Minimum tank
300+ litres
Diet
Carnivore — frozen mysis, black worms, small meaty foods; finicky starter
Lifespan
5–10 years
Water parameters
- Temperature75–80°F
- Specific gravity1.024–1.026
- pH8.1–8.4
Species-specific requirements override general saltwater guidelines.
Natural habitat
Sheltered coastal reefs and estuaries of the Indo-Pacific
Care notes
Only for mature tanks with steady live-food supply. Watch weight closely the first month.
Sourcing & ethics
We list only species that can be sourced responsibly. Availability in Nepal varies — confirm current stock before planning a build.
Rarely imported into Nepal and delicate in transit; on-request only.
Compatibility
Good company
Keep with caution
“Caution” reflects likely aggression or predation — outcome depends on tank size, order of addition and individual temperament.