Yellowtail Damsel - Chrysiptera parasema
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The Yellowtail Damsel (Chrysiptera parasema) is a hardy and eye-catching reef fish prized for its intense iridescent blue body contrasted by a vivid yellow tail. Its active swimming behavior and bold coloration make it a popular choice for adding movement and color to marine aquariums.
Common Name: Yellowtail Damsel
Scientific Name: Chrysiptera parasema
Family: Pomacentridae
Size: Up to 2.5 inches (6.5 cm)
Temperament: Semi-aggressive
Difficulty: Easy
Native Region: Western Pacific Ocean, including coral reefs of Indonesia, Papua New Guinea, and surrounding Indo-Pacific regions.
Reef Safe: Yes
Tank Size: Minimum of 20 gallons
Temperature: 74–80°F (23–27°C)
pH: 8.0–8.4
Salinity: 1.023–1.025
Decor: Live rock with caves and crevices for shelter and territory establishment.
• Behavior: Territorial once established; best added early or kept singly unless in a larger tank.
• Feeding: Omnivorous—readily accepts flakes, pellets, frozen foods, and small meaty items.
• Tankmates: Suitable with other semi-aggressive reef fish; avoid very timid species in smaller systems.
• Hardiness: Excellent choice for beginner saltwater aquariums due to its durability and adaptability.