Yellowtail damselfish
Chrysiptera parasema · Pomacentridae
Also known as Yellowtail blue damsel
Beginner
Electric blue with a yellow tail; the least aggressive of the blue damsels but still feisty.
- Minimum tank
- 110 L
- Temperature
- 24–28 °C
- pH
- 8.1–8.4
- Adult size
- 7 cm
- Group size
- 1+
Will it fit your tank?
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Sign in to check my tanksReef & marine husbandry
- Specific gravity
- 1.023–1.026
- Reef safety
- Reef safe
- With corals
- Reef safe.
- With inverts
- Reef safe.
- Minimum in a mixed reef
- 110 L
- Minimum fish-only (FOWLR)
- 110 L
- Aggression
- Claims a cave and defends it; add last.
- Feeding
- Once or twice daily.
Care requirements
- Minimum tank volume
- 110 L
- Temperature
- 24–28 °C
- pH
- 8.1–8.4
- Hardness
- 8–12 dGH
- Lifespan
- 5–10 years
- Diet
- Omnivore — pellets, frozen foods, algae.
- Care level
- Beginner
Origin & habitat
- Native region
- Western Pacific
- Water type
- Saltwater
- Biotope
- Branching coral thickets
- Natural conditions
- Warm reef water, moderate flow.
Behaviour & stocking
- Temperament
- Semi-aggressive
- Minimum group
- 1 fish
- Swims
- Mid-water
- Good tank mates
- ClownfishTangsWrasses
- Avoid
- Small shy gobiesFirefish
Breeding & difficulty
- Breeding difficulty
- Advanced
- Sexing
- Not reliably sexable.
- Notes
- Demersal eggs guarded by the male; larvae hard to rear.
- Common ailments
- Marine ichUronema
