Damselfish
Yellowtail Blue Damselfish
Chrysiptera parasema
One of the most peaceful damselfish. Can be kept in small groups in larger tanks; still a damsel — give it rock structure.
Difficulty
beginner
Adult size
Up to 7 cm
Temperament
Semi-aggressive but one of the calmest damsels
Minimum tank
120+ litres
Diet
Omnivore — pellets, flakes, frozen mysis
Lifespan
6–10 years
Water parameters
- Temperature75–80°F
- Specific gravity1.024–1.026
- pH8.1–8.4
Species-specific requirements override general saltwater guidelines.
Natural habitat
Coral-rich reefs of the western Pacific
Care notes
Hardy, bright blue with a sunshine-yellow tail. A good community damsel.
Sourcing & ethics
We list only species that can be sourced responsibly. Availability in Nepal varies — confirm current stock before planning a build.
Commonly available; a popular damsel choice for community reefs.
Compatibility
Good company
Keep with caution
“Caution” reflects likely aggression or predation — outcome depends on tank size, order of addition and individual temperament.