The Yellowtail Damselfish (Chrysiptera parasema) is a popular and colorful marine fish often chosen for saltwater aquariums. Here are the details:
 
Specifications:
Average Size: 2 inches
Max Size: Up to 2 inches
Tank Size Required: Suitable for smaller saltwater aquariums, a minimum tank size of 20 gallons is recommended.
 
Temperament: Yellowtail Damselfish are known for their territorial behavior. While they are generally peaceful within their own species, they can become aggressive towards other tankmates, especially in smaller setups.
 
Unique Traits: Distinguished by their bright blue body and vibrant yellow tail, Yellowtail Damselfish are prized for their striking coloration. They can be active swimmers and add lively movement to a marine aquarium.
 
Origin: Indigenous to the Indo-Pacific region, including areas like the Great Barrier Reef, Yellowtail Damselfish inhabit coral-rich environments.
 
Other Names:
Chrysiptera parasema
Yellowtail Blue Damselfish
 
Care Level: Easy
 
Diet: Yellowtail Damselfish are omnivores. They accept a variety of marine flakes, pellets, and frozen or live foods such as brine shrimp or mysis shrimp. A well-balanced diet is crucial for their health.
 
Characteristics and Looks: The Yellowtail Damselfish has a vibrant blue body with a contrasting yellow tail, which gives it its name. Juveniles might have a more subdued coloration that intensifies with age.
 
Water Parameters:
pH: 8.1-8.4
Salinity: 1.023-1.025
Temperature: 74-82°F
 
Disclaimer: "Please note that these are general guidelines, and for more accurate values, we encourage you to contact Living Aquarium by phone or in person. Within store hours, our team of experts is always happy to answer any questions you may have and provide personalized guidance on care."